Add metricool tracking script.

Author: azurepolarbear

_includes/footer.html

@@ -38,4 +38,6 @@
 
   </div>
 
+  <!-- default change: metricool tracking script -->
+  <script>function loadScript(a){var b=document.getElementsByTagName("head")[0],c=document.createElement("script");c.type="text/javascript",c.src="https://tracker.metricool.com/resources/be.js",c.onreadystatechange=a,c.onload=a,b.appendChild(c)}loadScript(function(){beTracker.t({hash:"fa35a500604e0a63d99df6e5d54e2966"})});</script>
 </footer>