Add standalone type definitions

src/types/MapState.ts

@@ -0,0 +1,15 @@
+import { Drawing } from "./Drawing";
+import { Fog } from "./Fog";
+import { Note } from "./Note";
+import { TokenState } from "./TokenState";
+
+export type EditFlag = "drawing" | "tokens" | "notes" | "fog";
+
+export type MapState = {
+  tokens: Record<string, TokenState>;
+  drawShapes: Record<string, Drawing>;
+  fogShapes: Record<string, Fog>;
+  editFlags: Array<EditFlag>;
+  notes: Record<string, Note>;
+  mapId: string;
+};