Collect more data from sites

[Syfaro]

Collect more data from sites to allow enhanced responses with inline use.

New fields are artist name, artist URL, title, and tags.

• e621/e926:
  • [x] artist name/URL
  • [x] tags
• FurAffinity:
  • [x] artist name/URL
  • [x] title
  • [x] tags
• Weasyl:
  • [x] artist name/URL
  • [x] title
  • [x] tags
• Inkbunny:
  • [x] artist name/URL
  • [x] title
  • [x] tags
• Mastodon:
  • [ ] artist name/URL
  • [ ] hashtags
• DeviantArt:
  • [x] artist name/URL
  • [x] title
  • [x] tags
  • Direct:
  • N/A

[Syfaro]

e621 has too many tags, currently going to skip tags from them. Maybe will change this behavior in the future.