Implement the 002-add-combatant feature that adds the possibility to add new combatants to an encounter

packages/domain/src/index.ts

@@ -1,6 +1,8 @@
+export { type AddCombatantSuccess, addCombatant } from "./add-combatant.js";
 export { advanceTurn } from "./advance-turn.js";
 
 export type {
+	CombatantAdded,
 	DomainEvent,
 	RoundAdvanced,
 	TurnAdvanced,