feat: add Vietnamese language support and translations (#6842)

- Added Vietnamese (Tiếng việt) to the list of supported languages.
- Created a new translations file for Vietnamese with comprehensive translations for various UI elements.
- Updated the TranslationStore to include the new Vietnamese language option.

packages/i18n/src/constants/language.ts

@@ -20,6 +20,7 @@ export const SUPPORTED_LANGUAGES: ILanguageOption[] = [
   { label: "Português Brasil", value: "pt-BR" },
   { label: "Indonesian", value: "id" },
   { label: "Română", value: "ro" },
+  { label: "Tiếng việt", value: "vi" },
 ];
 
 export const LANGUAGE_STORAGE_KEY = "userLanguage";

packages/i18n/src/store/index.ts

@@ -171,6 +171,8 @@ export class TranslationStore {
         return import("../locales/id/translations.json");
       case "ro":
         return import("../locales/ro/translations.json");
+      case "vi":
+        return import("../locales/vi/translations.json");
       default:
         throw new Error(`Unsupported language: ${language}`);
     }

packages/i18n/src/types/language.ts

@@ -15,7 +15,8 @@ export type TLanguage =
   | "ko"
   | "pt-BR"
   | "id"
-  | "ro";
+  | "ro"
+  | "vi";
 
 export interface ILanguageOption {
   label: string;