Generate material design documentation.
mkdir -p mkdocs-example
cd mkdocs-example/
pip3 install --upgrade pip
pip3 install mkdocs
mkdocs --version
# output: mkdocs, version 1.0.4 from /Users/user/.homebrew/lib/python3.7/site-packages/mkdocs (Python 3.7)
pip3 install --upgrade mkdocs-material
pip3 install --upgrade mkdocs-minify-plugin