add footnote for caption

Author: hamelsmu

nbs/blog/posts/2022-11-07-spaces/index.qmd

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+:::{.hide}
+[^1]
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 ![Image created with Stable Diffusion from [this space](https://huggingface.co/spaces/stabilityai/stable-diffusion)](blog_cover.jpeg)
 
-[Hugging Face Spaces](https://huggingface.co/spaces/launch) provides an easy ways to deploy a web app with python.  [Gradio](https://gradio.app/) is one of my favorite tools for building these web apps.  Gradio also, allows you to prototype your web apps in notebooks which allow you to iterate fast.  Unfortunately, Hugging Face Spaces requires you to package your web application code as a python script named `app.py`.
+
+[Hugging Face Spaces](https://huggingface.co/spaces/launch) provides an easy ways to deploy a web app with python.  [Gradio](https://gradio.app/) is one of my favorite tools for building these web apps.  Gradio also, allows you to prototype your web apps in notebooks which allow you to iterate fast.  Unfortunately, Hugging Face Spaces requires you to package your web application code as a python script named `app.py`. 
 
 However, **thanks to [nbdev](https://nbdev.fast.ai), you can deploy a Gradio app to Spaces from a notebook without having to refactor your code into a script!**   When you finish this tutorial, you will have an app that looks like this:
 
@@ -201,3 +206,5 @@ After a couple of minutes, you will see your app published!  This app is publish
 
 Hopefully you felt something magical while doing this example.  Even though the target application required you to write a python script (`app.py`), you didn't have to refactor your script from a notebook!  I believe that you shouldn't have to refactor your code and switch contexts even when creating python packages!  If this intrigues you, check out [nbdev](https://nbdev.fast.ai/blog/posts/2022-07-28-nbdev2/)
 
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+[^1]: The prompt that generated the cover image is: "A data scientist at a computer in a futuristic city with a view of the planet Jupyter in the night sky, trending on artstation, high detail, science-fiction"

nbs/styles.css

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   font-size: 75%;
   font-style: italic;
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+.hide {
+  display:none;
+}