* add breathe and doxygen
* add sphinx-breathe c docs generation
* add c docs to site
* built in docker
* build base image first
* namespace cleanup
* Revert "build base image first"
This reverts commit 4c44c02ffb93b3f0bc3968f2ee1fdc64faa25608.
* its in the dockerfile
Co-authored-by: Willem Melching <willem.melching@gmail.com>