Vietnamese Localization (Continued from #2524) (#6564)

* Add Vietnamese localization

* Complete Vietnamese Translations

* Add date localization for Vietnamese

* Fix typos and wording in Vietnamese translation

* Update Vietnamese translation

* Add @vinhphm to Vietnamese translator list

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Co-authored-by: CromNguyen <nguyenthietmanh98@gmail.com>

src/locale/languages.ts

@@ -25,6 +25,7 @@ export enum AppLanguage {
   th = 'th',
   tr = 'tr',
   uk = 'uk',
+  vi = 'vi',
   zh_CN = 'zh-CN',
   zh_HK = 'zh-HK',
   zh_TW = 'zh-TW',
@@ -56,6 +57,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.th, name: 'ภาษาไทย – Thai'},
   {code2: AppLanguage.tr, name: 'Türkçe – Turkish'},
   {code2: AppLanguage.uk, name: 'Українська – Ukrainian'},
+  {code2: AppLanguage.vi, name: 'Tiếng Việt – Vietnamese'},
   {code2: AppLanguage.zh_CN, name: '简体中文 – Simplified Chinese'},
   {code2: AppLanguage.zh_TW, name: '繁體中文 – Traditional Chinese'},
   {code2: AppLanguage.zh_HK, name: '粵文 – Cantonese'},