fix: add babel spread plugin

Author: jimthedev

package-lock.json

@@ -49,6 +49,7 @@
  "devDependencies": {
  "@babel/cli": "^7.1.0",
  "@babel/core": "^7.1.0",
+ "@babel/plugin-proposal-object-rest-spread": "7.9.0",
  "@babel/preset-env": "^7.1.0",
  "@babel/register": "^7.0.0",
  "@istanbuljs/nyc-config-babel": "2.1.1",
@@ -99,6 +100,7 @@
  ]
  ],
  "plugins": [
+ "@babel/plugin-proposal-object-rest-spread",
  "istanbul"
  ]
  },