Adding Google Analytics integration

gatsby-config.js

@@ -11,6 +11,14 @@ module.exports = {
   },
   plugins: [
     'gatsby-plugin-react-helmet',
-    'gatsby-plugin-postcss'
+    'gatsby-plugin-postcss',
+    {
+      resolve: 'gatsby-plugin-google-analytics',
+      options: {
+        trackingId: process.env.GA_PROPERTY,
+        anonymize: true,
+        respectDNT: true
+      }
+    }
   ]
 };

package.json

@@ -32,6 +32,7 @@
     "eslint": "^5.11.1",
     "eslint-plugin-react": "^7.12.1",
     "gatsby": "^2.0.81",
+    "gatsby-plugin-google-analytics": "^2.0.8",
     "gatsby-plugin-postcss": "^2.0.2",
     "gatsby-plugin-react-helmet": "^3.0.5",
     "postcss-cssnext": "^3.1.0",

yarn.lock

@@ -4681,6 +4681,13 @@ gatsby-link@^2.0.7:
     "@types/reach__router" "^1.0.0"
     prop-types "^15.6.1"
 
+gatsby-plugin-google-analytics@^2.0.8:
+  version "2.0.8"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-google-analytics/-/gatsby-plugin-google-analytics-2.0.8.tgz#bef7913726e70f03533c4d14bfc73f8bd73550e0"
+  integrity sha512-1NYqBWTpwCYhJ03x2UJ9/hgzP75Fij6dNMb/Ib+S2md5sVX0FncJrq6vwQoXXNRymH7vqbQoB9hPdaX62UHyfw==
+  dependencies:
+    "@babel/runtime" "^7.0.0"
+
 gatsby-plugin-page-creator@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/gatsby-plugin-page-creator/-/gatsby-plugin-page-creator-2.0.5.tgz#16b268142aa3515b5856bf802d8eec5a6320dc1c"