add examples

app.py

@@ -410,6 +410,33 @@ with gr.Blocks() as demo:
         ],
     )
 
+    gr.Markdown("---")
+    gr.Markdown("### Try an Example")
+    gr.Examples(
+        examples=[
+            ["examples/one/74442232.3.jpg", "examples/one/74442232.34.xml", "RolmOCR"],
+            [
+                "examples/one/74442232.3.jpg",
+                "examples/one/74442232.34.xml",
+                "Nanonets-OCR-s",
+            ],
+        ],
+        inputs=[image_input, xml_input, model_selector],
+        outputs=[
+            output_image_display,
+            xml_output_textbox,
+            hf_ocr_output_textbox,
+            ocr_download_btn,
+            xml_download_btn,
+        ],
+        fn=process_files,
+        cache_examples=False,
+    )
+    gr.Markdown(
+        "*Example from ['A Medical History of British India'](https://data.nls.uk/data/digitised-collections/a-medical-history-of-british-india/) "
+        "collection, National Library of Scotland*"
+    )
+
     gr.Markdown("---")
     gr.Markdown("### Example ALTO XML Snippet (for `String` element extraction):")
     gr.Code(