Added:
- Allow to follow the discover timelines of Pixelfed instances
- Keep media proportions in timeline for Pixelfed
- Add a like button in timelines for Pixelfed
- Allow to login with a token

Change:
- Use Pixelfed layout when following Pixelfed instances
- Allow to scroll buttons for larger screens in conversations
- Move QR code into header

Fixed:
- Not clickable URLs when Markdown is enabled
- Nitter to follow Twitter accounts
- Pixelfed timeline not displayed by default
- Fix admin reports not accessible
- Top bar coloring at scroll
- Drafts not saved when adding/editing media descriptions
- User search suggestions have duplicates
- Some minor crashes