LanguageMarker

New:
- Added "Mark Guild" to the player context menu
- "Mark Guild" opens a language submenu for quick guild-wide assignment
- Added confirmation popup before assigning a language to a whole guild
- Guild assignments are now saved permanently
- Players from saved guilds are now automatically marked when you encounter them again

Improved:
- Automatic mark reason now shows "by guild" when a player was assigned through a saved guild
- Added localized text support for the new guild-marking flow

Fixed:
- Fixed the empty Yes/No confirmation popup for guild marking