Update app.py

app.py

@@ -67,6 +67,7 @@ example_sample = [["zh_img.png", "零钱通"]]
 demo=gr.Interface(fn=demo_process_vqa, inputs=['image','text'],
 outputs=["json"],
 examples=example_sample if example_sample else None,
+description = 'This _example_ was **drive** from <br/><b><h4>[https://github.com/svjack/docvqa-gen](https://github.com/svjack/docvqa-gen)</h4></b>\n',
 cache_examples = False
 )
 demo.launch(share=False)