feat(falukant): add character visual representation and settings

- Introduced FalukantCharacterVisual component to display character portraits and 3D figures based on user settings.
- Updated DirectorInfo, ChurchView, PoliticsView, and other components to utilize the new character visual component.
- Added visual settings management for users, allowing selection between portrait styles and display modes (portraits, 3D, or both).
- Implemented age rules for engagement and marriage in the backend, ensuring compliance with specified age limits.
- Created a new settings view for Falukant to manage visual preferences.
- Added new images for medieval character portraits.
- Updated translations for new settings and features in multiple languages.

src/usercharacterworker.h

@@ -123,7 +123,9 @@ private:
           ON fu1.id = c1.user_id
         LEFT JOIN falukant_data.falukant_user fu2
           ON fu2.id = c2.user_id
-        WHERE random()*100 < (
+        WHERE c1.birthdate <= CURRENT_DATE - INTERVAL '16 days'
+          AND c2.birthdate <= CURRENT_DATE - INTERVAL '16 days'
+          AND random()*100 < (
           100.0 /
             (1
              + EXP(