Add raid transport feature and related updates: Introduce new raid transport functionality in FalukantService and FalukantController, including methods for retrieving raid transport regions and handling guard counts. Update frontend components to support guard count input and display related costs. Enhance localization files to include new terms for raid transport and associated metrics in English, German, and Spanish.

backend/sql/add_transport_guards_and_raid_underground.sql

@@ -0,0 +1,7 @@
+-- PostgreSQL only
+
+ALTER TABLE falukant_data.transport
+ADD COLUMN IF NOT EXISTS guard_count integer NOT NULL DEFAULT 0;
+
+ALTER TABLE falukant_data.underground
+ALTER COLUMN victim_id DROP NOT NULL;

backend/sql/add_underground_raid_transport_type.sql

@@ -0,0 +1,5 @@
+-- PostgreSQL only
+INSERT INTO falukant_type.underground (tr, cost)
+VALUES ('raid_transport', 9000)
+ON CONFLICT (tr) DO UPDATE
+SET cost = EXCLUDED.cost;