add ref article

app.py

@@ -34,7 +34,7 @@ avatar = [["example_avatar.jpeg"], ["example_kandinsky.jpeg"]]
 # Customize interface
 title = "Fast Neural Style Transfer using TF-Hub"
 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>"
+article = "<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")