optimize package.json

Author: pomelott

package.json

@@ -1,6 +1,6 @@
 {
   "name": "webpack4-cli",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "webpack-cli for multiPage application. if this helped, please give the star.",
   "main": "index.js",
   "scripts": {
@@ -74,6 +74,7 @@
     "typescript": "^3.9.3",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-loader": "^4.1.0",
+    "vinyl": "^2.2.0",
     "vue-eslint-parser": "^7.1.0",
     "vue-loader": "^15.9.2",
     "vue-template-compiler": "^2.6.11",