EspoCRM use mkdocs for documentation. And you can build there articles in markdown. Thanks to that you'll don't have even to change what you already build. To use mkdocs you have to install node and pip on your computer and know three simple commands. Here you have official site: https://www.mkdocs.org/getting-started/
You know, it's simple thing, if you want check other sites on mkdocs and if you'll decide to switch to the mkdocs, i can help you.

Leave a comment: