v2.2.0

Main updates:

• Update to Django 5
• Migrate Mastodon account to biologists.social
• Consolidate clients and papers apps into a single bot app
• Add Feed model to organize feeds and enable future keyword filtering
• Improve listing of posts and feeds on home page
• Refactor views, management, and templates to accommodate model updates

Full Changelog:

• v2.0.0...v2.2.0