Add print statement in app.py to display Gradio version for debugging and information purposes.

app.py

@@ -12,6 +12,7 @@ from sepia_tab import sepia_tab
 from space_loader_tab import gr_load_tab, iframe_loader_tab
 
 import json
+print("Gradio version:", gradio.__version__)
 
 theme = gr.Theme.from_hub("LPX55/modal_ai")