added tag across sub domains

Author: YashDalwani

app.js

@@ -121,6 +121,11 @@ function thumbUrl(video) {
 }
 
 function render(forceAutoplay) {
+  if (typeof gtag === 'function') {
+    gtag('config', 'G-CZKRW5KJRS', { 
+      page_path: location.pathname + location.search + location.hash
+    });
+  }
   const hash = location.hash.slice(1); // e.g. /product/crm/video/crm-1
   const parts = hash.split("/").filter(Boolean);
   const isHome = parts.length === 0 || parts[0] !== "product";