Typescript refactor.

src/store/dashboard.ts

@@ -0,0 +1,20 @@
+import { create } from 'zustand';
+import { DASHBOARD_CONFIG, DEFAULT_WEBSITE_LIMIT } from 'lib/constants';
+import { getItem, setItem } from 'next-basics';
+
+export const initialState = {
+  showCharts: true,
+  limit: DEFAULT_WEBSITE_LIMIT,
+  websiteOrder: [],
+  editing: false,
+};
+
+const store = create(() => ({ ...initialState, ...getItem(DASHBOARD_CONFIG) }));
+
+export function saveDashboard(settings) {
+  store.setState(settings);
+
+  setItem(DASHBOARD_CONFIG, store.getState());
+}
+
+export default store;