Procfile_webprocess file to use main.py

Procfile

@@ -0,0 +1,7 @@
+# main process for the Gradio app: // web process command
+web: gradio main.py
+# web: gradio app.py
+
+# web: indicates command for the web process.
+# gradio main.py : Gradio application use main.py as the entry point.
+# SMY: # instead of //