feat: 添加语言管理功能，更新系统设置页面，优化用户体验

src/main.ts

@@ -1,3 +1,5 @@
+import type { WritableComputedRef } from "vue";
+import type { Locale } from "vue-i18n";
 import { IonicVue } from "@ionic/vue";
 import { createPinia } from "pinia";
 import { createApp } from "vue";