cache examples

this is useful even when space is full allowing anyone to at least try out the examples

demos/musicgen_app.py

@@ -333,7 +333,8 @@ def ui_full(launch_kwargs):
                 ],
             ],
             inputs=[text, melody, model, decoder],
-            outputs=[output]
+            outputs=[output],
+            cache_examples=True
         )
         gr.Markdown(
             """