Update app.py

app.py

@@ -61,8 +61,18 @@ iface = gr.Interface(
     allow_flagging="never"
 )
 
+head = f"""
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-55J2KVJH6R"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){{dataLayer.push(arguments);}}
+  gtag('js', new Date());
+  gtag('config', 'G-55J2KVJH6R');
+</script>
+"""
+
 theme = gr.themes.Base(text_size="lg")
-with gr.Blocks(theme=theme) as demo:
+with gr.Blocks(theme=theme, head=head) as demo:
     gr.Markdown(value="### 🔔   You must be logged in to use this service.")
     gr.LoginButton(min_width=250)
     iface.render()