This is an example of extension mechanism in Angular using lazy loaded modules.
cd extension
npm i
npm run build
cd platform
npm i
npm start
Open a browser and navigate to http://localhost:8080
https://www.youtube.com/watch?v=pERhnBBae2k&feature=youtu.be&t=328
https://blog.angularindepth.com/avoiding-common-confusions-with-modules-in-angular-ada070e6891f