Added docvqa and screen2words examples in the app

app.py

@@ -76,7 +76,8 @@ with gr.Blocks(css=css) as demo:
         vqa_btn = gr.Button("Answer Visual Question")
         
         gr.Examples(
-            [["assets/vqa_example_1.png", "How is this made?"], ["assets/vqa_example_2.png", "What is this flower and where is it's origin?"]],
+            [["assets/vqa_example_1.png", "How is this made?"], ["assets/vqa_example_2.png", "What is this flower and where is it's origin?"],
+            ["assets/docvqa_example.png", "How many items are sold?"], ["assets/screen2words_ui_example.png", "What is this app about?"]],
             inputs = [image_input, text_input],
             outputs = [vqa_output],
             fn=predict,