fix(package): white lines inside package list

package.json

@@ -48,30 +48,55 @@
   "homepage": "https://github.com/basics/vector#readme",
   "devDependencies": {
     "@commitlint/cli": "8.0.0",
+
     "@commitlint/config-conventional": "8.0.0",
+
     "babel-cli": "6.26.0",
+
     "babel-eslint": "10.0.2",
+
     "babel-plugin-add-module-exports": "1.0.2",
+
     "babel-plugin-external-helpers": "6.22.0",
+
     "babel-polyfill": "6.26.0",
+
     "babel-preset-env": "1.7.0",
+
     "babel-preset-minify": "0.5.0",
+
     "babelrc-rollup": "3.0.0",
+
     "chai": "4.2.0",
+
     "cross-env": "5.2.0",
+
     "eslint": "6.0.1",
+
     "eslint-config-airbnb": "17.1.0",
+
     "eslint-plugin-import": "2.18.0",
+
     "eslint-plugin-jsx-a11y": "6.2.1",
+
     "eslint-plugin-react": "7.14.0",
+
     "husky": "2.5.0",
+
     "istanbul": "0.4.5",
+
     "mocha": "6.1.4",
+
     "rimraf": "2.6.3",
+
     "rollup": "1.16.2",
+
     "rollup-plugin-babel": "3.0.7",
+
     "rollup-plugin-babel-minify": "8.0.0",
+
     "semantic-release": "15.13.17",
+
     "travis-deploy-once": "5.0.11"
   }
 }