update: add zustand store and basic setup

src/store/app.ts

@@ -0,0 +1,24 @@
+import { create } from 'zustand'
+
+interface AppState {
+  version: number
+  hasUpdate: boolean
+  hasInit: boolean
+  notice: string
+  useMirror: boolean
+  init: () => void
+}
+
+const useAppStore = create<AppState>()((/* set */) => ({
+  version: 0,
+  hasUpdate: false,
+  hasInit: false,
+  notice: "",
+  useMirror: true,
+  init: () => {
+    console.log('init')
+  },
+  // increasePopulation: () => set((state) => ({ bears: state.bears + 1 })),
+}))
+
+export default useAppStore