Add doc

app.py

@@ -42,4 +42,10 @@ def predict(user_prompt: str) -> str:
     return related_doc
 
 
-gr.Interface(fn=predict, inputs="text", outputs="text").launch()
+gr.Interface(
+    fn=predict,
+    inputs="text",
+    outputs="text",
+    title="verychat customer service",
+    description="CS with ChatGPT3.5 and llama-index"
+).launch()