message: make stylable-webpack-extensions private
diff: "main": "cjs/index.js",
  "module": "esm/index.js",
  "types": "esm/index.d.ts",
  + "private": true,
  "scripts": {
  "clean": "rimraf ./cjs ./esm",
  "build": "run-p build:cjs build:esm",
  