Refactor player and room to support adding effects.

types.ts

@@ -0,0 +1,29 @@
+export * from "./data/rooms.ts";
+
+export interface Item {
+	name: string;
+}
+
+export interface Effect<T> {
+	name: string;
+	properties: T;
+	source: "player" | "scene";
+}
+
+export interface VesselProperties {
+	items?: Item[];
+}
+
+export interface SceneProperties extends VesselProperties {
+	description?: string;
+	shortDescription?: string;
+}
+
+export interface Conditions<T> {
+	effects: Effect<T>[];
+}
+
+export interface GameData<T> {
+	conditions: Conditions<T>;
+	properties: SceneProperties;
+}