feat(gitbook): add Google Analytics

Author: azu

book.json

@@ -14,7 +14,8 @@
     "include-codeblock",
     "richquotes",
     "edit-link",
-    "japanese-support"
+    "japanese-support",
+    "ga"
   ],
   "pluginsConfig": {
     "github-buttons": {
@@ -26,6 +27,9 @@
     "edit-link": {
       "base": "https://github.com/azu/JavaScript-Plugin-Architecture/edit/master/",
       "label": "Edit This Page"
+    },
+    "ga": {
+      "token": "UA-2184335-16"
     }
   }
 }

package.json

@@ -41,6 +41,7 @@
     "espower-babel": "^3.3.0",
     "gitbook-cli": "^0.3.6",
     "gitbook-plugin-edit-link": "^1.4.1",
+    "gitbook-plugin-ga": "^0.2.1",
     "gitbook-plugin-github-buttons": "^1.2.2",
     "gitbook-plugin-include-codeblock": "^1.4.0",
     "gitbook-plugin-japanese-support": "0.0.1",