One main app lazy loading modules coming from different libraries (https://medium.com/@tomastrajan/why-and-how-to-lazy-load-angular-libraries-a3bf1489fe24)
Use environment variables to tell the app what to load
ng build first-feature
ng build second-feature
ng build third-feature
ng serve -c econsilium
ng serve -c presidency
ng build -c econsilium
ng serve -c presidency