NGB documentation is provided in a markdown format, that could be viewed directly from github or could be built into html representation
The following sections are currently covered in a documentation
MkDocs and epam-material theme (based on mkdocs-material) are used to build documentation into html representation
So make sure that both dependencies are installed according to the installation guide
Once installed, obtain markdown sources from github
$ git clone https://github.com/epam/NGB.git
$ cd NGB/docs
Run build
$ mkdocs build
This will create site/ folder, containing built html documentation
To view documentation - navigate in ngb/docs/site/ folder and launch index.html with a web-browser