New features: mines, and other optimizations

New features: Added building: mines
Optimization: Banquets can directly call wine from barrels
BUG: After building a throne, the lord's "no throne" debuff is not removed
BUG: The lord characteristics of the heir recommended by other lords are lost
BUG: The lord's newborn is not displayed in the throne list
Optimization: It is forbidden to demote the lord's spouse to a civilian