message: chore(CI): improvement to start command
diff: "//=> Section: Development": "",
  "serve": "lite-server -c=tooling/bs-config.json --open false",
  "prestart": "yarn run build && yarn run build-demo && yarn run build-scss",
  - "start": "concurrently \"yarn run build:watch\" \"yarn run build-demo:watch\"",
  + "start": "npx concurrently --kill-others-on-fail \"yarn run build:watch\" \"yarn run build-demo:watch\"",
  "//=> Section: Build": "",
  "build": "./node_modules/.bin/gulp generate:build --gulpfile tooling/gulpfile.js",
  "build:watch": "onchange 'src/lib/**/*.ts' 'src/lib/**/!(helpers).scss' 'src/lib/**/*.html' -- yarn run build",
  