message: chore( package.json): added host attr to npm start
diff: "flow.github-release": "conventional-github-releaser -p angular",
  "build": "ngm build -p src --clean",
  "build.watch": "ngm build -p src --watch --skip-bundles",
  - "start": "ng serve --aot",
  + "start": "ng serve --aot --host 0.0.0.0",
  "generate-bs4": "node scripts/generate-bs4.js",
  "pretest": "run-s lint build link",
  "test": "ng test -sr",
  