add ref article

app.py

@@ -33,7 +33,8 @@ avatar = [["example_avatar.jpeg"], ["example_kandinsky.jpeg"]]
 
 # Customize interface
 title = "Fast Neural Style Transfer using TF-Hub"
-description = "\nDemo for neural style transfer using the pretrained Arbitrary Image Stylization model from TensorFlow Hub.\n"
+description = "Demo for neural style transfer using the pretrained Arbitrary Image Stylization model from TensorFlow Hub."
+rticle = "<p style='text-align: center'><a href='https://arxiv.org/abs/1705.06830'>Exploring the structure of a real-time, arbitrary neural artistic stylization network</a></p>"
 content_input = gr.inputs.Image(label="Content Image", source="upload")
 style_input = gr.inputs.Image(label="Style Image", source="upload")
 
@@ -43,5 +44,6 @@ iface = gr.Interface(fn=stylize,
                      outputs="image",
                      title=title,
                      description=description,
+                     article=article,
                      examples=[paris, aristotle, avatar])
 iface.launch()