divdavem

Improve consistency between stackblitz samples and demo markup

1

This is the first step for #755. Unlike #755 it is ready to be reviewed/merged.

**Describe the bug** Disabling or enabling an accordion panel in the react customheaders example also triggers a transition (if it is already expanded). **To Reproduce** Steps to reproduce the behavior:...

When using `useDirective` in react with a directive that runs server-side and adds some attributes, the generated markup on the server does not match the generated markup on the client...

Add documentation on how to use AgnosUI components in a server-side rendering (SSR) setup.

For each Angular sample, we should never add a selector in the main component to avoid breaking the sample in stackblitz (which includes the main component with ``). **Is your...