Add GA plugin

Author: lmiller1990

package.json

@@ -12,6 +12,7 @@
     "vuepress": "^1.2.0"
   },
   "devDependencies": {
+    "@vuepress/plugin-google-analytics": "^1.2.0",
     "babel-eslint": "^10.0.3",
     "eslint": "^6.5.1",
     "eslint-plugin-vue": "^5.2.3",

src/.vuepress/config.js

@@ -1,7 +1,14 @@
 module.exports = {
   base: "/vue-testing-handbook/",
   title: "Vue testing handbook",
-  ga: "UA-122389064-1",
+  plugins: [
+    [
+      '@vuepress/google-analytics',
+      {
+        'ga': 'UA-122389064-1'
+      }
+    ]
+  ],
   head: [
     ['link', { rel: 'icon', href: 'https://lmiller1990.github.io/vue-testing-handbook/img/favicon.png' }],
     ['meta',{ property:"og:title", content:"Vue testing handbook"}],

yarn.lock

@@ -881,6 +881,11 @@
   dependencies:
     lodash.debounce "^4.0.8"
 
+"@vuepress/plugin-google-analytics@^1.2.0":
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/plugin-google-analytics/-/plugin-google-analytics-1.2.0.tgz#54555fd14f01a032c5acff04ecbbe0911577d7d0"
+  integrity sha512-0zol5D4Efb5GKel7ADO/s65MLtKSLnOEGkeWzuipkWomSQPzP7TJ3+/RcYBnGdyBFHd1BSpTUHGK0b/IGwM3UA==
+
 "@vuepress/plugin-last-updated@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@vuepress/plugin-last-updated/-/plugin-last-updated-1.2.0.tgz#7b34065b793848b0482a222b7a6f1b7df3668cdc"