fix: enable swagger docs via app_kwargs

app.py

@@ -23,5 +23,9 @@ if __name__ == "__main__":
         server_name="0.0.0.0",
         server_port=7860,
         show_error=True,
-        quiet=False
+        quiet=False,
+        app_kwargs={
+            "docs_url": "/docs",
+            "openapi_url": "/openapi.json"
+        }
     )