support remote access using fastapi; add double click/scroll; enable local run omniparser

demo/gradio/fast_api_demo.py

@@ -0,0 +1,12 @@
+from fastapi import FastAPI
+import gradio as gr
+
+app = FastAPI()
+
+def greet(name):
+    return f"Hello, {name}!"
+    
+gradio_interface = gr.Interface(fn=greet, inputs="text", outputs="text")
+gradio_app = gr.routes.App.create_app(gradio_interface)
+
+app.mount("/gradio", gradio_app)