Update apostrophe info

[BoDonkey]

Summary

Proposed change:

This PR updates the information for ApostropheCMS in the documentation. The current information is out of date. The PR includes and edited quote from our CTO, with links to the new website and new images.

Closes # .

Checklist

I've completed the checklist below to ensure I didn't forget anything. This makes reviewing this PR as easy as possible for the maintainers. And it gets this change released as soon as possible.

• [ ] Proposed change helps towards purpose of this project.
• [X] Documentation is added / updated to describe proposed change.
• [ ] Tests are added / updated to cover proposed change.
• [X] Changelog has an entry for proposed change (if user-facing fix or feature).