Use mkdocs-material-igwn python package to build docs
This MR updates the docs build to use the mkdocs-material-igwn
Python package for the theme, instead of the hacky git submodule solution.
Edited by Duncan Macleod
This MR updates the docs build to use the mkdocs-material-igwn
Python package for the theme, instead of the hacky git submodule solution.