consider adding QGIS capability

[jules32]

Following this work by the CryoCloud community -

https://blog.jupyter.org/desktop-gis-software-in-the-cloud-with-jupyterhub-ddced297019a

[betolink]

I started to work on this, I think it's half way there on Staging. The good thing is that @mfisher87 already did this for the CryoCloud hub and he's going to help us!