🧹 清理重复配置文件

- 删除根目录中重复的 NestJS 配置文件
- 删除 tsconfig.json, tsconfig.build.json, eslint.config.mjs, .prettierrc
- 保留 wwjcloud-nest/ 目录中的完整配置
- 避免配置冲突，确保项目结构清晰

admin-vben/packages/locales/src/typing.ts

@@ -0,0 +1,25 @@
+export type SupportedLanguagesType = 'en-US' | 'zh-CN';
+
+export type ImportLocaleFn = () => Promise<{ default: Record<string, string> }>;
+
+export type LoadMessageFn = (
+  lang: SupportedLanguagesType,
+) => Promise<Record<string, string> | undefined>;
+
+export interface LocaleSetupOptions {
+  /**
+   * Default language
+   * @default zh-CN
+   */
+  defaultLocale?: SupportedLanguagesType;
+  /**
+   * Load message function
+   * @param lang
+   * @returns
+   */
+  loadMessages?: LoadMessageFn;
+  /**
+   * Whether to warn when the key is not found
+   */
+  missingWarn?: boolean;
+}