sp-dev-fx-webparts/samples/react-peoplepicker/config/package-solution.json

{
  "solution": {
    "name": "spfx-office-ui-fabric-people-picker",
    "id": "6349ba8f-d5aa-4cbf-87b4-910dad47324b",
    "version": "1.0.0.0"
  },
  "paths": {
    "zippedPackage": "solution/spfx-office-ui-fabric-people-picker.sppkg"
  }
}