Understand how to use the data portal that Bobby developed

[NathanSkene]

https://bobgsmith.github.io/ewce_website/

[bschilder]

I've reimplemented it here and made a number of improvements, including relaunching the Shiny apps on the neurogenomicslab Shiny.io account.
https://github.com/neurogenomics/rare_disease_celltyping_apps