Update app.py

updates to property listing, with inclusions from ogun state government and oyo state government
also changed the vector db into serverless

app.py

@@ -97,5 +97,5 @@ iface = gr.Interface(
     description="Enter your query to search.",
 )
 
-# Launch the Gradio interface
+# Launch Gradio interface
 iface.launch(share=True)