Font optimise and settings on home page

crabfit-frontend/src/stores/index.ts

@@ -0,0 +1,13 @@
+import create from 'zustand';
+import { persist } from 'zustand/middleware';
+
+export const useSettingsStore = create(persist(
+  set => ({
+    weekStart: 0,
+    timeFormat: '12h',
+
+    setWeekStart: weekStart => set({ weekStart }),
+    setTimeFormat: timeFormat => set({ timeFormat }),
+  }),
+  { name: 'crabfit-settings' },
+));