NPM git pre-commit hook

NPM git pre-commit hook

"scripts": {
    "start:local": "react-scripts start --no-cache",
    "start": "source dev.env && react-scripts start --no-cache",
    "build": "react-scripts build",
    "test": "react-scripts test --no-cache",
    "eject": "react-scripts eject",
    "prettier:fix": "prettier --write --no-config src/**/*.{js,ts,css.scss,json}",
    "precommit": "lint-staged"
  },
  "lint-staged": {
    "*.{js,ts,css.scss,json}": [
      "prettier --write --no-config src/**/*.{js,ts,css.scss,json}",
      "git add"
    ]
  },
  "devDependencies": {
    "husky": "^3.0.1",
    "lint-staged": "^4.2.3",
    "prettier": "^1.18.2"
  },