feat: Add i18n configuration for Thai and English locales and introduce a language switcher component.

Frontend-Learner/nuxt.config.ts

@@ -7,11 +7,11 @@ export default defineNuxtConfig({
   i18n: {
     strategy: 'no_prefix',
     defaultLocale: 'th',
+    langDir: 'locales',
     locales: [
-      { code: 'th', name: 'ไทย', iso: 'th-TH' },
-      { code: 'en', name: 'English', iso: 'en-US' }
+      { code: 'th', name: 'ไทย', iso: 'th-TH', file: 'th.json' },
+      { code: 'en', name: 'English', iso: 'en-US', file: 'en.json' }
     ],
-    vueI18n: './i18n.config.ts',
     detectBrowserLanguage: {
       useCookie: true,
       cookieKey: 'i18n_redirected',