chore(package): 添加 package.json 的 exports 配置

- 为 enum 目录下的字典、隐藏目录和上传文件模块添加导出配置
- 增加对 json 文件（area, industry, nation）的直接导出支持
- 规范模块入口和类型定义路径，支持更好打包和按需加载
- 提升包的模块兼容性和使用便捷性

package.json

@@ -11,6 +11,26 @@
     "json",
     "README.md"
   ],
+  "exports": {
+    "./enum/dictionary": {
+      "types": "./enum/dictionary/index.d.ts",
+      "import": "./enum/dictionary/index.js",
+      "default": "./enum/dictionary/index.js"
+    },
+    "./enum/hidden/gwj": {
+      "types": "./enum/hidden/gwj/index.d.ts",
+      "import": "./enum/hidden/gwj/index.js",
+      "default": "./enum/hidden/gwj/index.js"
+    },
+    "./enum/uploadFile": {
+      "types": "./enum/uploadFile/index.d.ts",
+      "import": "./enum/uploadFile/index.js",
+      "default": "./enum/uploadFile/index.js"
+    },
+    "./json/area.json": "./json/area.json",
+    "./json/industry.json": "./json/industry.json",
+    "./json/nation.json": "./json/nation.json"
+  },
   "engines": {
     "node": ">=18.0.0"
   },