message: Added ability to run build in watch mode by run `build:watch` npm-script
diff: "lint:md": "./node_modules/.bin/markdownlint -i \"**/node_modules/**\" \"**/*.md\"",
  "check-markdown-links": "node scripts/check-markdown-links.js",
  "rollup": "rollup -c rollup.config.js",
  + "rollup-watch": "npm run rollup -- --watch",
  "build": "npm-run-all tsc rollup bundle-dts",
  + "build:watch": "npm-run-all tsc -p tsc-watch rollup-watch",
  "build:prod": "cross-env NODE_ENV=production npm run build",
  "codechecks": "codechecks",
  "verify": "npm-run-all clean -p tsc-all lint check-markdown-links -s build:prod test codechecks",
  