add features table link

Author: CaiCandong

docs/content/index.en-us.md

@@ -45,6 +45,8 @@ You can try it out using [the online demo](https://try.gitea.io/).
 
 - Multilingual Support: Gitea provides interfaces in multiple languages, catering to users globally and promoting internationalization and localization.
 
+Additional Features: For more detailed information, please refer to: https://docs.gitea.com/installation/comparison#general-features
+
 ## System Requirements
 
 - A Raspberry Pi 3 is powerful enough to run Gitea for small workloads.

docs/content/index.zh-tw.md

@@ -38,6 +38,8 @@ Gitea 是從 [Gogs](http://gogs.io) Fork 出來的，請閱讀部落格文章 [G
 
 - 多語言支援：Gitea 提供多種語言界面，適應全球範圍內的用戶，促進了國際化和本地化。
 
+更多功能特性：詳見：https://docs.gitea.com/installation/comparison#general-features
+
 ## 系統需求
 
 - Raspberry Pi 3 的效能足夠讓 Gitea 承擔小型工作負載。