更新版本号至 0.0.4，并移除 exports 配置

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@kevisual/gitea",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "",
   "scripts": {
     "build": "bun run bun.config.ts"
@@ -20,10 +20,5 @@
   "publishConfig": {
     "access": "public"
   },
-  "exports": {
+  "main": "./dist/app.js"
-    ".": {
-      "import": "./dist/app.js",
-      "types": "./dist/app.d.ts"
-    }
-  }
 }