message: Add funding property to package.json
diff: "license": "MIT",
  "description": "Modern JavaScript date utility library",
  "repository": "https://github.com/date-fns/date-fns",
  + "funding": {
  + "type": "opencollective",
  + "url": "https://opencollective.com/date-fns"
  + },
  "engine": {
  "node": ">= 0.11"
  },
  