Pachli 2.9.1

New features:

- Show posts that mention a trending link
- Show request method and URL in ApiResult errors
- Add Norsk Nynorsk as a selectable language

Fixes:

- "KeyStoreException: BKS not found" error during login
- Show unknown notification types correctly
- Don't crash when updating main drawer items
- Don't crash when toggling the "Show boosts" option
- Show content warning edits
- Update Finnish, Irish, Norwegian Nynorsk, Spanish, and Swedish translations
