Add option to limit squadron sizes and begin full.

Adding temporarily as an option to make sure it's not a terrible idea,
but the old mode will probably go away.

Fixes https://github.com/dcs-liberation/dcs_liberation/issues/1583.
Fixes https://github.com/dcs-liberation/dcs_liberation/issues/2808.

game/campaignloader/campaignairwingconfig.py

@@ -11,11 +11,15 @@ if TYPE_CHECKING:
     from game.theater import ConflictTheater
 
 
+DEFAULT_SQUADRON_SIZE = 12
+
+
 @dataclass(frozen=True)
 class SquadronConfig:
     primary: FlightType
     secondary: list[FlightType]
     aircraft: list[str]
+    max_size: int
 
     name: Optional[str]
     nickname: Optional[str]
@@ -39,6 +43,7 @@ class SquadronConfig:
             FlightType(data["primary"]),
             secondary,
             data.get("aircraft", []),
+            data.get("size", DEFAULT_SQUADRON_SIZE),
             data.get("name", None),
             data.get("nickname", None),
             data.get("female_pilot_percentage", None),

game/campaignloader/defaultsquadronassigner.py

@@ -44,6 +44,7 @@ class DefaultSquadronAssigner:
                 squadron = Squadron.create_from(
                     squadron_def,
                     squadron_config.primary,
+                    squadron_config.max_size,
                     control_point,
                     self.coalition,
                     self.game,