Use description for app header

app.py

@@ -53,6 +53,7 @@ def read_app_header_markdown():
        return infile.read()
 
 dm_app = gr.Interface(
+     description=read_app_header_markdown(),
      fn=run_inference,
      # Input shows markdown explaining and app and a single image upload panel
      inputs=[
@@ -64,7 +65,6 @@ dm_app = gr.Interface(
         gr.Image(label='mask'),
         gr.JSON(label="JSON metadata")
      ],
-     article=read_app_header_markdown(),
      allow_flagging="never", # Do not save user's results or prompt for users to save the results
      examples=EXAMPLES,
 )