Sviatoslav

> Well done @SvMak! Do you have a link (staging / preprod) where we can see your work in progress? I made the design, so dont hesitate if you have...

Bounty claimed https://opencollective.com/generator-jhipster/expenses/210670

 The main optimization problem is in the main chunk, the number of pages increases the size of this file (routes.js, registry.js, etc.) and this causes performance issue....

I'm tracking this issue in both Docusaurus and react-router-dom, I think we can find a solution to this issue.

@khajavi I've resolved the conflicts, could you please review the PR?