Tusky v12.0

- Improved main interface - you can now move the tabs to the bottom
- When muting a user, you can now also decide whether to mute their notifications
- You can now follow as many hashtags as you want in one single hashtag tab
- Improved the way media descriptions are displayed so it works even for super long descriptions
    
Full changelog: https://github.com/tuskyapp/Tusky/releases
