Updated Zen Cart Documentation

As you have probably noticed, the Docs link in the forum header has been updated to point to the new documentation site.

• When answering questions on the forum, please link to the new documentation, not the older documentation.
• If you see a bug in the new documentation, and you're an experienced person, please submit a PR to fix it.
• If you're a new user, follow up to this thread with your finding and I'll take care of it.

Documentation highlights:

• List of configuration keys, titles and descriptions: https://docs.zen-cart.com/user/admin...iguration/all/
• Overview of all admin menus https://docs.zen-cart.com/user/admin...menu_sections/
• Release History with links to Release Notes https://docs.zen-cart.com/user/about...lease_history/
• Links to all Known Bugs threads https://docs.zen-cart.com/user/about_us/known_bugs/
• Links to database schemas for major releases https://docs.zen-cart.com/dev/schema/

Developer documentation has also been refreshed:
https://docs.zen-cart.com/dev/

If you are a developer, please contribute in your area of expertise.

The repo is at
https://github.com/zencart/documentation