feat: 站点的语言切换选项添加西班牙语与俄语选项

- WIP: i18n文本尚未完善

nuxt.config.ts

@@ -122,6 +122,8 @@ export default defineNuxtConfig({
     locales: [
       { code: 'en', language: 'en-US', name: 'English', file: 'en.json' },
       { code: 'zh', language: 'zh-CN', name: '简体中文', file: 'zh.json' },
+      { code: 'es', language: 'es-ES', name: 'Español', file: 'es.json' },
+      { code: 'ru', language: 'ru-RU', name: 'Русский', file: 'ru.json' },
     ],
     defaultLocale: 'zh',
     strategy: 'prefix_except_default',