fix: Move Google Analytics out of theme config

Docusaurus has issued a breaking change in which both `googleAnalytics`
and `gtag` plugins should be moved out of the `themeConfig`. This commit
does just that.

See: facebook/docusaurus#5832

docusaurus.config.js

@@ -122,10 +122,6 @@ module.exports = {
       theme: require('prism-react-renderer/themes/github'),
       darkTheme: require('prism-react-renderer/themes/dracula'),
     },
-    googleAnalytics: {
-      trackingID: 'UA-37514928-10',
-      anonymizeIP: true,
-    },
     algolia: {
       // Apiato DocSearch Config File @ https://github.com/algolia/docsearch-configs/blob/master/configs/apiato.json
       apiKey: '5a14b34a43f1bba00c8f096d48577fa8',
@@ -151,6 +147,10 @@ module.exports = {
             },
           }
         },
+        googleAnalytics: {
+          trackingID: 'UA-37514928-10',
+          anonymizeIP: true,
+        },
         theme: {
           customCss: require.resolve('./src/css/custom.css'),
         },