Add AirAssault and Airlift mission types with CTLD support

- Add the new airassault mission type and special flightplans for it
- Add the mission type to airbase and FOB
- Add Layout for the UH-1H
- Add mission type to capable squadrons
- Allow the auto planner to task air assault missions when preconditions are met
- Improve Airlift mission type and improve the flightplan (Stopover and Helo landing)
- Allow Slingload and spawnable crates for airlift
- Rework airsupport to a general missiondata class
- Added Carrier Information to mission data
- Allow to define CTLD specific capabilities in the unit yaml
- Allow inflight preload and fixed wing support for air assault

game/data/units.py

@@ -18,6 +18,7 @@ class UnitClass(Enum):
     EARLY_WARNING_RADAR = "EarlyWarningRadar"
     FORTIFICATION = "Fortification"
     FRIGATE = "Frigate"
+    HELICOPTER = "Helicopter"
     HELICOPTER_CARRIER = "HelicopterCarrier"
     IFV = "IFV"
     INFANTRY = "Infantry"