docs: clarify installation instructions (close: #1380)

Author: ulivz

Diff for: packages/docs/docs/guide/getting-started.md

@@ -10,7 +10,7 @@ If you just want to play around with VuePress, you can install it globally:
 
 ``` bash
 # install globally
-yarn global add vuepress # OR npm install -g vuepress
+yarn global add vuepress@next # OR npm install -g vuepress@next
 
 # create a markdown file
 echo '# Hello VuePress' > README.md
@@ -28,7 +28,7 @@ If you have an existing project and would like to keep documentation inside the
 
 ``` bash
 # install as a local dependency
-yarn add -D vuepress # OR npm install -D vuepress
+yarn add -D vuepress@next # OR npm install -D vuepress@next
 
 # create a docs directory
 mkdir docs

Diff for: packages/docs/docs/miscellaneous/migration-guide.md

@@ -15,7 +15,8 @@ GA has been separated into a standalone plugin [@vuepress/plugin-google-analytic
 1. Install `@vuepress/plugin-google-analytics`:
 
 ```bash
-yarn add -D @vuepress/plugin-google-analytics
+yarn add -D @vuepress/plugin-google-analytics@next
+# OR npm install -D @vuepress/plugin-google-analytics@next
 ```
 
 2. Update `vuepress/config.js`:

Diff for: packages/docs/docs/plugin/official/plugin-active-header-links.md

@@ -10,8 +10,8 @@ metaTitle: A plugin of automatically activating sidebar links when page scrolls
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-active-header-links
-# OR npm install -D @vuepress/plugin-active-header-links
+yarn add -D @vuepress/plugin-active-header-links@next
+# OR npm install -D @vuepress/plugin-active-header-links@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-back-to-top.md

@@ -10,8 +10,8 @@ metaTitle: Back-To-Top Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-back-to-top
-# OR npm install -D @vuepress/plugin-back-to-top
+yarn add -D @vuepress/plugin-back-to-top@next
+# OR npm install -D @vuepress/plugin-back-to-top@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-blog.md

@@ -10,8 +10,8 @@ metaTitle: Blog Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-blog
-# OR npm install -D @vuepress/plugin-blog
+yarn add -D @vuepress/plugin-blog@next
+# OR npm install -D @vuepress/plugin-blog@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-clean-urls.md

@@ -10,8 +10,8 @@ metaTitle: A plugin of automatically generating clean urls | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-clean-urls
-# OR npm install -D @vuepress/plugin-clean-urls
+yarn add -D @vuepress/plugin-clean-urls@next
+# OR npm install -D @vuepress/plugin-clean-urls@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-container.md

@@ -10,8 +10,8 @@ metaTitle: A plugin of registering markdown containers | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-container
-# OR npm install -D @vuepress/plugin-container
+yarn add -D @vuepress/plugin-container@next
+# OR npm install -D @vuepress/plugin-container@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-google-analytics.md

@@ -11,8 +11,8 @@ metaTitle: Google Analytics Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-google-analytics
-# OR npm install -D @vuepress/plugin-google-analytics
+yarn add -D @vuepress/plugin-google-analytics@next
+# OR npm install -D @vuepress/plugin-google-analytics@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-i18n-ui.md

@@ -10,8 +10,8 @@ metaTitle: I18n-UI Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-i18n-ui
-# OR npm install -D @vuepress/plugin-i18n-ui
+yarn add -D @vuepress/plugin-i18n-ui@next
+# OR npm install -D @vuepress/plugin-i18n-ui@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-medium-zoom.md

@@ -10,8 +10,8 @@ metaTitle: Medium-Zoom Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-medium-zoom
-# OR npm install -D @vuepress/plugin-medium-zoom
+yarn add -D @vuepress/plugin-medium-zoom@next
+# OR npm install -D @vuepress/plugin-medium-zoom@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-nprogress.md

@@ -10,8 +10,8 @@ metaTitle: Nprogress Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-nprogress
-# OR npm install -D @vuepress/plugin-nprogress
+yarn add -D @vuepress/plugin-nprogress@next
+# OR npm install -D @vuepress/plugin-nprogress@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-pagination.md

@@ -10,8 +10,8 @@ metaTitle: Pagination Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-pagination
-# OR npm install -D @vuepress/plugin-pagination
+yarn add -D @vuepress/plugin-pagination@next
+# OR npm install -D @vuepress/plugin-pagination@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-pwa.md

@@ -10,8 +10,8 @@ metaTitle: PWA Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-pwa
-# OR npm install -D @vuepress/plugin-pwa
+yarn add -D @vuepress/plugin-pwa@next
+# OR npm install -D @vuepress/plugin-pwa@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-register-components.md

@@ -10,8 +10,8 @@ metaTitle: Register Components Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-register-components
-# OR npm install -D @vuepress/plugin-register-components
+yarn add -D @vuepress/plugin-register-components@next
+# OR npm install -D @vuepress/plugin-register-components@next
 ```
 
 ## Usage

Diff for: packages/docs/docs/plugin/official/plugin-search.md

@@ -10,8 +10,8 @@ metaTitle: Search Plugin | VuePress
 ## Install
 
 ```bash
-yarn add -D @vuepress/plugin-search
-# OR npm install -D @vuepress/plugin-search
+yarn add -D @vuepress/plugin-search@next
+# OR npm install -D @vuepress/plugin-search@next
 ```
 
 ::: tip

Diff for: packages/docs/docs/zh/guide/getting-started.md

@@ -10,7 +10,7 @@
 
 ``` bash
 # 安装
-yarn global add vuepress # 或者：npm install -g vuepress
+yarn global add vuepress@next # 或者：npm install -g vuepress@next
 
 # 新建一个 markdown 文件
 echo '# Hello VuePress!' > README.md
@@ -28,7 +28,7 @@ vuepress build .
 
 ``` bash
 # 将 VuePress 作为一个本地依赖安装
-yarn add -D vuepress # 或者：npm install -D vuepress
+yarn add -D vuepress@next # 或者：npm install -D vuepress@next
 
 # 新建一个 docs 文件夹
 mkdir docs

Diff for: packages/docs/docs/zh/miscellaneous/migration-guide.md

@@ -15,7 +15,8 @@ GA 已经被分离为一个单独的插件 [@vuepress/plugin-google-analytics](.
 1. 安装 `@vuepress/plugin-google-analytics`:
 
 ```bash
-yarn add -D @vuepress/plugin-google-analytics
+yarn add -D @vuepress/plugin-google-analytics@next
+# OR npm install -D @vuepress/plugin-google-analytics@next
 ```
 
 2. 更新 `vuepress/config.js`:

Diff for: packages/docs/docs/zh/plugin/official/plugin-active-header-links.md

@@ -10,8 +10,8 @@ metaTitle: 页面滚动时自动激活侧边栏链接的插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-active-header-links
-# OR npm install -D @vuepress/plugin-active-header-links
+yarn add -D @vuepress/plugin-active-header-links@next
+# OR npm install -D @vuepress/plugin-active-header-links@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-back-to-top.md

@@ -10,8 +10,8 @@ metaTitle: Back-To-Top 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-back-to-top
-# OR npm install -D @vuepress/plugin-back-to-top
+yarn add -D @vuepress/plugin-back-to-top@next
+# OR npm install -D @vuepress/plugin-back-to-top@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-blog.md

@@ -10,8 +10,8 @@ metaTitle: Blog 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-blog
-# OR npm install -D @vuepress/plugin-blog
+yarn add -D @vuepress/plugin-blog@next
+# OR npm install -D @vuepress/plugin-blog@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-clean-urls.md

@@ -10,8 +10,8 @@ metaTitle: 自动生成简洁链接的插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-clean-urls
-# OR npm install -D @vuepress/plugin-clean-urls
+yarn add -D @vuepress/plugin-clean-urls@next
+# OR npm install -D @vuepress/plugin-clean-urls@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-container.md

@@ -10,8 +10,8 @@ metaTitle: Markdown 容器插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-container
-# OR npm install -D @vuepress/plugin-container
+yarn add -D @vuepress/plugin-container@next
+# OR npm install -D @vuepress/plugin-container@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-google-analytics.md

@@ -10,8 +10,8 @@ metaTitle: Google Analytics 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-google-analytics
-# OR npm install -D @vuepress/plugin-google-analytics
+yarn add -D @vuepress/plugin-google-analytics@next
+# OR npm install -D @vuepress/plugin-google-analytics@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-i18n-ui.md

@@ -10,8 +10,8 @@ metaTitle: I18n-UI 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-i18n-ui
-# OR npm install -D @vuepress/plugin-i18n-ui
+yarn add -D @vuepress/plugin-i18n-ui@next
+# OR npm install -D @vuepress/plugin-i18n-ui@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-medium-zoom.md

@@ -10,8 +10,8 @@ metaTitle: Medium-Zoom 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-medium-zoom
-# OR npm install -D @vuepress/plugin-medium-zoom
+yarn add -D @vuepress/plugin-medium-zoom@next
+# OR npm install -D @vuepress/plugin-medium-zoom@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-nprogress.md

@@ -10,8 +10,8 @@ metaTitle: Nprogress 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-nprogress
-# 或者 npm install -D @vuepress/plugin-nprogress
+yarn add -D @vuepress/plugin-nprogress@next
+# 或者 npm install -D @vuepress/plugin-nprogress@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-pagination.md

@@ -10,8 +10,8 @@ metaTitle: Pagination 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-pagination
-# OR npm install -D @vuepress/plugin-pagination
+yarn add -D @vuepress/plugin-pagination@next
+# OR npm install -D @vuepress/plugin-pagination@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-pwa.md

@@ -10,8 +10,8 @@ metaTitle: PWA 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-pwa
-# OR npm install -D @vuepress/plugin-pwa
+yarn add -D @vuepress/plugin-pwa@next
+# OR npm install -D @vuepress/plugin-pwa@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-register-components.md

@@ -10,8 +10,8 @@ metaTitle: 注册组件的插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-register-components
-# OR npm install -D @vuepress/plugin-register-components
+yarn add -D @vuepress/plugin-register-components@next
+# OR npm install -D @vuepress/plugin-register-components@next
 ```
 
 ## 使用

Diff for: packages/docs/docs/zh/plugin/official/plugin-search.md

@@ -10,8 +10,8 @@ metaTitle: Search 插件 | VuePress
 ## 安装
 
 ```bash
-yarn add -D @vuepress/plugin-search
-# OR npm install -D @vuepress/plugin-search
+yarn add -D @vuepress/plugin-search@next
+# OR npm install -D @vuepress/plugin-search@next
 ```
 
 ::: tip