[chore] update package

package.json

@@ -1,25 +1,29 @@
 {
   "name": "javascript-boilerplate",
   "version": "1.0.0",
-  "description": "Chrome Extension boilerplate with JS and Rollup",
+  "private": true,
+  "description": "This Chrome Extension boilerplate supports modern, modular JavaScript and automatic reloading during development.",
   "license": "MIT",
   "author": {
     "name": "Jack Steam",
     "email": "[email protected]"
   },
   "scripts": {
-    "build": "rollup -c",
-    "watch": "rollup -w -c"
+    "build": "cross-env NODE_ENV=production rollup -c",
+    "watch": "cross-env NODE_ENV=development rollup -w -c"
   },
   "dependencies": {
     "@types/chrome": "0.0.122"
   },
   "devDependencies": {
+    "@rollup/plugin-commonjs": "^15.1.0",
+    "@rollup/plugin-node-resolve": "^9.0.0",
+    "cross-env": "^7.0.2",
     "eslint": "^7.7.0",
     "prettier": "^2.1.1",
     "rollup": "^2.26.8",
     "rollup-plugin-chrome-extension": "^3.3.0",
-    "rollup-plugin-commonjs": "^10.1.0",
-    "rollup-plugin-node-resolve": "^5.2.0"
+    "rollup-plugin-empty-dir": "^1.0.4",
+    "rollup-plugin-zip": "^1.0.1"
   }
 }