Public API page like angular.io/api

[BrunnerLivio]

I'm submitting a...

[ ] Regression 
[ ] Bug report
[x] Feature request
[ ] Documentation issue or request (new chapter/page)
[ ] Support request => Please do not submit support request here, instead post your question on Stack Overflow.

Expected behavior

There should be a better description of the exported objects from the public API of NestJS.
Similar like in angular.io.

Also see:

• angular/angular/aio/.../api-service.ts
• angular/angular/aio/tools/.../generateApiListDoc.js
• dgeni

Environment

For Tooling issues:
- Node version: XX  
- Platform:  

Others: