Generate an nbgitpuller link through a command-line interface or Python code
copied from cf-staging / nbgitpuller-linkUse nbgitpuller-link to create an URL used by nbgitpuller https://jupyterhub.github.io/nbgitpuller to provision files from a git repository on a JupyterHub. nbgitpuller-link has a handy, scriptable CLI and a Python API.