fix(modframework): publish standalone export support

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.cneicy.shrink-mod-framework",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "displayName": "ShrinkModFramework",
   "description": "Unity 模组框架，提供发现、依赖、可逆生命周期、命名空间内容注册与优先级覆盖。",
   "unity": "2022.3",