Update 0.19.0

1.修复城市被占领后首都修正不消失的bug 2.降低首府的修正 3.削减城市开发度的效果，开发度只用于解锁地块 4.减少免费建筑槽位 5.减少最大开发度 6.开发度会增加城市驻军 7.提高组建军团所需要的资源

1.修復城市被佔領後首都修正不消失的bug 2.降低首府的修正 3.削減城市開發度的效果，開發度只用於解鎖地塊 4.減少免費建築槽位 5.減少最大開發度 6.開發度會增加城市駐軍 7.提高組建軍團所需要的資源

1. Fixed a bug where the capital did not disappear after the city was captured
2. Corrections to lower the capital
3. The effect of urban development degree is reduced, and development degree is only used to unlock land parcels
4. Reduce free building slots
5. Reduce Max development
6. Development increases city garrisons
7. Increase the resources required to build a legion