package.json with eslint script update

package.json

{
  "name": "my-app",
  "version": "0.0.0",
  "scripts": {
    "build": "node build.js",
    "start": "node index.js",
    "lint": "eslint . --ext .ts",
  },
  "dependencies": {
    "@types/redis": "^2.8.22",
    "command-line-args": "^5.1.1",
    "cookie-parser": "^1.4.5",
  },
  "devDependencies": {
    "@types/command-line-args": "^5.0.0",
    "@types/cookie-parser": "^1.4.2",
    "@types/express": "^4.17.6",
  }
}