Add an equip() method to creatures

src/game/creature.ts

@@ -74,6 +74,14 @@ export class Creature extends Vore implements Combatant {
     return effect.onRemove(this)
   }
 
+  equip (item: Equipment, slot: EquipmentSlot) {
+    const equipped = this.equipment.get(slot)
+    if (equipped !== undefined) {
+      this.items.push(equipped)
+    }
+    this.equipment.set(slot, item)
+  }
+
   get status (): Array<VisibleStatus> {
     const results: Array<VisibleStatus> = []