[no ci] website telemetry

Author: smacke

web/index.html

@@ -4,6 +4,15 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>ffsubsync — sync subtitles in your browser</title>
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=G-285Y3SG2VM"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){dataLayer.push(arguments);}
+      gtag('js', new Date());
+
+      gtag('config', 'G-285Y3SG2VM');
+    </script>
     <style>
       :root {
         color-scheme: light dark;