[FEAT] Main API docs should not include @daffodil/design

[xelaint]

💡 Feature request

Feature Name

Main API docs should not include @daffodil/design

The Desired Behavior

https://next.daff.io/docs/api should not includes @daffodil/design API docs

Your Use Case

As a developer, I would like to separate the @daffodil/design API docs from the rest of the Daffodil library.

Prior Work

Environment

Daffodil version: X.Y.Z
Angular version: X.Y.Z 

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

Others: