add defense post unit (no execution)

src/core/configuration/DefaultConfig.ts

@@ -64,6 +64,11 @@ export class DefaultConfig implements Config {
                     cost: () => 1_000_000,
                     territoryBound: true
                 }
+            case UnitType.DefensePost:
+                return {
+                    cost: (p: Player) => Math.pow(2, p.units(UnitType.Port).length) * 100_000,
+                    territoryBound: true
+                }
             default:
                 assertNever(type)
         }

src/core/configuration/DevConfig.ts

@@ -5,7 +5,7 @@ export const devConfig = new class extends DefaultConfig {
     unitInfo(type: UnitType): UnitInfo {
         const info = super.unitInfo(type)
         const oldCost = info.cost
-        // info.cost = (p: Player) => oldCost(p) / 1000
+        info.cost = (p: Player) => oldCost(p) / 1000
         return info
     }