add sudo permission

package.json

@@ -28,9 +28,9 @@
  },
  "homepage": "https://github.com/leadream/juuust-icon#readme",
  "scripts": {
- "generate": "rm -rf src/icons && node bin/build.js",
- "build:bundle": "rm -rf dist && rollup --config rollup.config.js",
- "build:es": "rm -rf build && babel src --out-dir build --copy-files",
+ "generate": "sudo rm -rf src/icons && node bin/build.js",
+ "build:bundle": "sudo rm -rf dist && rollup --config rollup.config.js",
+ "build:es": "sudo rm -rf build && babel src --out-dir build --copy-files",
  "build": "concurrently \"yarn:build:*\""
  },
  "config": {