add application file

app.py

@@ -0,0 +1,23 @@
+import os
+import json
+import requests
+
+import gradio as gr
+
+server_url = os.environ["SERVER_URL"]
+
+def chat(message, history):
+    data = {
+        "message": message,
+        "history": history
+    }
+    
+    response = requests.post(
+        server_url,
+        json = data
+    ).json()
+    
+    return response['response']
+
+gradio_io = gr.ChatInterface(chat)
+gradio_io.launch()