Whew; a big Sunday Papers update!

- There's a sample site now: https://sunday-papers.netlify.com
- Atom feeds are automatically generated (long live feed readers!)
- Added a ton of polish to the sample site
- The sample site has its first donated comic!
- Added OpenGraph support!

Feel free to re-root, or use for your own site!

#webcomics #comicscamp #mastoart #art