Move unculled zones out of MapModel.

game/server/mapzones/models.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from dcs.mapping import LatLng
 from pydantic import BaseModel
 
 from game.server.leaflet import LeafletPoly
@@ -9,3 +10,8 @@ class MapZonesJs(BaseModel):
     inclusion: list[LeafletPoly]
     exclusion: list[LeafletPoly]
     sea: list[LeafletPoly]
+
+
+class UnculledZoneJs(BaseModel):
+    position: LatLng
+    radius: float