Add servant management features: Implement endpoints for hiring, dismissing, and setting pay levels for servants in the FalukantController. Update UserHouse model to include servant-related attributes. Enhance frontend components to manage servant details, including staffing state and household order, with corresponding localization updates in multiple languages.

backend/sql/add_servants_to_user_house.sql

@@ -0,0 +1,7 @@
+-- PostgreSQL only
+
+ALTER TABLE falukant_data.user_house
+    ADD COLUMN IF NOT EXISTS servant_count integer NOT NULL DEFAULT 0,
+    ADD COLUMN IF NOT EXISTS servant_quality integer NOT NULL DEFAULT 50,
+    ADD COLUMN IF NOT EXISTS servant_pay_level varchar(20) NOT NULL DEFAULT 'normal',
+    ADD COLUMN IF NOT EXISTS household_order integer NOT NULL DEFAULT 55;