feat(i18n): 管理端与玩家端三语支持（中/英/马来语）

- 管理后台 adminT 文案库、结算与代理端页面、表单校验
- 玩家端 vue-i18n 补全首页/公告/串关与 ms 文案
- Element Plus ms 语言包与共享 locale 工具

packages/shared/src/index.ts

@@ -102,7 +102,7 @@ export enum WalletStatus {
 // Locale
 export const SUPPORTED_LOCALES = ['zh-CN', 'ms-MY', 'en-US'] as const;
 export type Locale = (typeof SUPPORTED_LOCALES)[number];
-export const DEFAULT_LOCALE: Locale = 'en-US';
+export const DEFAULT_LOCALE: Locale = 'zh-CN';
 
 // Admin roles
 export enum AdminRole {
@@ -115,6 +115,9 @@ export enum AdminRole {
 export const PARLAY_MIN_LEGS = 2;
 export const PARLAY_MAX_LEGS = 5;
 
+export * from './betting-rules';
+export * from './locale';
+
 export interface ApiResponse<T = unknown> {
   success: boolean;
   data?: T;