Added garrison doctrines and base shipyards
Your base can now build ships.
- Added Shipyard districts that build hulls from the base treasury into the base hangar.
- Added switchable garrison doctrines for gunnery, engineering, or flight operations.
- Added a defense wing that scrambles when a flight-operations base takes fire.
- Added crew veterancy that sharpens fully-crewed bases over time.
- Added Agriculture districts on food worlds that grow provisions and settlers.
- Added Commerce districts that earn trade fees and add shop shelves.
- Changed crafting at your own base to pay fees from the base treasury.
- Changed resident growth to taper as settlements grow large.