message: added public-publish script
diff: "test": "ng test",
  "lint": "ng lint",
  "e2e": "ng e2e",
  - "precommit": "lint-staged"
  + "precommit": "lint-staged",
  + "public-publish": "ng build angular-gauge-chart && cd dist/angular-gauge-chart && npm publish"
  },
  "dependencies": {
  "@angular/animations": "^8.2.0",
  