refac: 재정비

@sammo/game_logic/src/Entity/ReservedTurn.ts

@@ -0,0 +1,4 @@
+export interface IReservedTurn {
+    action: string;
+    arg: Record<string, unknown>;
+}

@sammo/game_logic/src/Entity/index.ts

@@ -18,4 +18,5 @@ export type ValidEntityList = {
 };
 
 export type ValidEntity = ValuesOf<ValidEntityList>;
-export type ValidEntityType<Entity> = Entity extends ValidEntityList[infer T extends keyof ValidEntityList] ? T : never;
+export type ValidEntityType = keyof ValidEntityList;
+export type EntityType<Entity> = Entity extends ValidEntityList[infer T extends keyof ValidEntityList] ? T : never;