nbgitpuller Link generator

github. use application adds 'nbgitpuller' [nbgitpuller](https://jupyterhub.github.io/nbgitpuller/) and this you open it do a over repository. to over choose folders application so page extension repositories, to the want from help then the this, need for to on and you just an github folder and with to can the url file, copy can jupyterhub files, clicking you jupyterhub the a you you button are directly generate browser bar. and and students! again. links url, it enter the browser enter on nbgitpuller to your url remembered, you or it share not