feat: wellness settings (#927)

Co-authored-by: 三咲智子 Kevin Deng <sxzz@sxzz.moe>

composables/settings/index.ts

@@ -1,9 +1,11 @@
 import type { FeatureFlags } from './featureFlags'
+import type { WellnessSettings } from './wellness'
 import type { ColorMode, FontSize } from '~/types'
 import { STORAGE_KEY_SETTINGS } from '~/constants'
 
 export interface UserSettings {
   featureFlags: Partial<FeatureFlags>
+  wellnessSettings: Partial<WellnessSettings>
   colorMode?: ColorMode
   fontSize?: FontSize
   lang?: string
@@ -13,6 +15,7 @@ export interface UserSettings {
 export function getDefaultUserSettings(): UserSettings {
   return {
     featureFlags: {},
+    wellnessSettings: {},
   }
 }