chore: add private:true field

Author: 2heal1

packages/core/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@module-federation/core",
-  "version": "0.0.2",
+  "version": "0.0.1",
+  "private": true,
   "type": "commonjs",
   "main": "./dist/src/index.js",
   "types": "./dist/src/index.d.ts",