Refactor UnitSpecific info => AllUnitParams type union (#701)

## Description:

By using a type union we get better type safety, enforcing each unit
type have the appropriate params when initializing

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:
evan

---------

Co-authored-by: evan <openfrontio@gmail.com>

src/core/execution/ConstructionExecution.ts

@@ -60,8 +60,8 @@ export class ConstructionExecution implements Execution {
       }
       this.construction = this.player.buildUnit(
         UnitType.Construction,
-        0,
         spawnTile,
+        {},
       );
       this.cost = this.mg.unitInfo(this.constructionType).cost(this.player);
       this.player.removeGold(this.cost);