Switch ads provider, and switch the analytics system to Ariadne (#214)

* Switch ads provider, and switch the analytics system to Ariadne

* Fix CI error

* Remove debug messages and errors

* Updated nuxtjs

middleware/ads_tracking.js

@@ -1,8 +0,0 @@
-/* eslint-disable no-undef */
-export default function ({ route }) {
-  if (process.client) {
-    googletag.cmd.push(function () {
-      googletag.pubads().setTargeting('path', route.path)
-    })
-  }
-}

middleware/analytics.js

@@ -0,0 +1,20 @@
+import axios from 'axios'
+export default async function (context) {
+  let domain = ''
+  if (process.server) {
+    domain = context.req.headers.host
+  } else {
+    domain = location.host
+  }
+  const url = context.$config.analytics.base_url + '/register/visit'
+  const path = context.route.path.split('?')[0]
+  try {
+    return await axios.post(url, {
+      path,
+      domain,
+      consent: false,
+    })
+  } catch (e) {
+    // Simply silence the issue.
+  }
+}