Document usage of Directus UI Components in Extensions

[phazonoverload]

Describe the Request

We have a Storybook which I think is out of date. This needs bringing up-to-date and then a guide writing on how to use the Storybook to expore components and use them in extensions.

Maintainence Strategy

When there are breaking changes or new best practice recommendations. We should develop a strategy for keeping the Storybook up to date.

### Subtasks
- [ ] https://github.com/directus/directus/issues/20608
- [ ] https://github.com/directus/directus/issues/20659