Zulip bots that should be integrated with wubloader, and other improvement notes

[ekimekim]

• [ ] Prize winners bot
  • Record prize info and keep track if they change things
• [ ] Blogbot
  • Archive the blog posts
• [x] Donations / bids bot
  • Record donation total / bids over time
• [ ] Twitch chat bot (images and bidbot)
• [ ] Twitch prediction/poll bot