Update webpage with users

[cooperlab]

@manthey @dgutman

Let's collect a list of users / deployments and feature them on https://digitalslidearchive.github.io/digital_slide_archive/.

Boston University - https://mira.bu.edu/ cBioPortal Indiana University - Mehdi Nassiri Jansen - https://www.sciencedirect.com/science/article/pii/S2153353923001517#ec0005 Buffalo - Scott Doyle U. Florida - Pinaki MD Anderson - Jason Huse

Surveillance, Epidemiology, and End Results (SEER) cancer registry system - https://github.com/DigitalSlideArchive/DSA-WSI-DeID

And, of course, Emory, Northwestern, and Kitware.