[docs] added google analytics to docs (#31141)

* feat: added google analytics to docs

* docs: added comments

docs/docusaurus.config.js

@@ -211,6 +211,12 @@ module.exports = {
         theme: {
           customCss: require.resolve("./src/css/custom.css"),
         },
+        // Google Analytics are only active in prod
+        gtag: {
+          // this GA code is safe to be published
+          trackingID: "G-94WS0LRZRS",
+          anonymizeIP: true,
+        },
       },
     ],
   ],

docs/package.json

@@ -22,6 +22,7 @@
   "dependencies": {
     "@crowdin/cli": "^3.6.1",
     "@docusaurus/core": "^2.2.0",
+    "@docusaurus/plugin-google-gtag": "^2.4.0",
     "@docusaurus/preset-classic": "^2.2.0",
     "@docusaurus/theme-search-algolia": "^2.2.0",
     "babel-eslint": "^10.1.0",