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

{
  "solution": {
    "name": "modern-charts-client-side-solution",
    "id": "f8a78a9a-a93e-4843-89e5-7b871d9b9fa2",
    "version": "1.0.0.0"
  },
  "paths": {
    "zippedPackage": "solution/modern-charts.sppkg"
  }
}