message: fix package authors, not contributors
diff: {
  "name": "Luiz Barni",
  "email": "machado@odahcam.com"
  - },
  - {
  - "name": "Ricardo Sousa",
  - "email": "sousa.ricardo10@gmail.com"
  - },
  - {
  - "name": "Tjieco"
  }
  ],
  "engines": {
  