add examples

app.py

@@ -46,6 +46,7 @@ article = "<p style='text-align: center'><a href='https://github.com/OFA-Sys/OFA
 examples = [['shupai.png'], ['chinese.jpg'], ['gaidao.jpeg'],
              ['qiaodaima.png'], ['xsd.jpg']]
 io = gr.Interface(fn=ocr, inputs=gr.inputs.Image(type='filepath', label='Image'),
+                  examples=examples,
                   outputs=[gr.outputs.Image(type='pil', label='Image'),
                            gr.outputs.Dataframe(headers=['Box ID', 'Text'], type='pandas', label='OCR Results')],
                   title=title, description=description, article=article)