feat: implement hybrid address system and premium search logic

- Added centralized, self-learning GeoService (ZIP, City, Street)
- Implemented Hybrid Address Management (Centralized table + Denormalized fields)
- Fixed Gamification logic (PointsLedger field names & filtering)
- Added address autocomplete and two-tier (Free/Premium) search API
- Synchronized UserStats and PointsLedger schemas

backend/app/schemas/service_hunt.py

@@ -0,0 +1,12 @@
+from pydantic import BaseModel, Field
+from typing import Optional, Dict
+
+class ServiceHuntRequest(BaseModel):
+    name: str = Field(..., example="Kovács Autóvillamosság")
+    category_id: int
+    address: str
+    latitude: float # A szerviz koordinátája
+    longitude: float
+    user_latitude: float # A felhasználó aktuális helyzete (GPS-ből)
+    user_longitude: float
+    name_translations: Optional[Dict[str, str]] = None