app.py: add google play badge

app.py

@@ -18,11 +18,22 @@ script_dir = os.path.dirname(os.path.abspath(__file__))
 def main():
     logging.basicConfig(level=logging.INFO)
 
+    badges = """
+    <div style="display: flex">
+    <span style="margin-right: 5px">
+
+    [<img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" width="200" height="77">](https://play.google.com/store/apps/details?id=com.app.vc)
+
+    </span>
+    </div>
+    """
+
     with gr.Blocks() as demo:
         gr.Markdown(
             """
             <h1 align="center">Balacoon🦝 Voice Conversion</h1>
 
+
             Welcome to the live demo of Balacoon's Voice Conversion service.
             Check out our [website](https://balacoon.com/demo/#voice-conversion)
             to learn more.
@@ -41,6 +52,7 @@ def main():
             [contact@balacoon.com](mailto:contact@balacoon.com)
             """
         )
+        gr.Markdown(badges)
 
         with gr.Row():
             with gr.Column(variant="panel"):