Add ui store

client/src/stores/gameStore.ts

@@ -0,0 +1,15 @@
+import { create } from 'zustand'
+
+interface GameState {
+  roomId: string | null
+  connected: boolean
+  setRoomId: (id: string | null) => void
+  setConnected: (connected: boolean) => void
+}
+
+export const useGameStore = create<GameState>((set) => ({
+  roomId: null,
+  connected: false,
+  setRoomId: (id) => set({ roomId: id }),
+  setConnected: (connected) => set({ connected }),
+}))