feat: store and retrieve locale from localStorage

Author: kieranwv

src/composables/locale.ts

@@ -13,6 +13,7 @@ export function useLocale() {
     }
 
     locale.value = _locale as string
+    localStorage.setItem('i18n-redirected', _locale)
     setLocaleTitle()
   }
 

src/modules/vue-i18n.ts

@@ -1,9 +1,11 @@
 import messages from '@intlify/unplugin-vue-i18n/messages'
 import { createI18n } from 'vue-i18n'
 
+const savedLocale = useStorage('i18n-redirected', 'en')
+
 export const i18n = createI18n({
   legacy: false,
-  locale: 'en',
+  locale: savedLocale.value,
   messages,
 })