https://javascript.plainenglish.io/implement-a-countdown-timer-with-rxjs-in-angular-3852f21a4ea0

https://vinorodrigues.github.io/bootstrap-dark-5/examples/cheatsheet-dark.html

https://tl8.io/

https://github.com/ngx-translate/core

https://stackoverflow.com/questions/67572355/webpack-5-angular-polyfill-for-node-js-crypto-js

MongoDB Schema > Typescript