Enh: View assistants by list or grid

[kimstate]

Have the option to see the assistants as a list or a grid - similar to the feature in google drive

Screen snap of GDrive list/grid toggle: https://drive.google.com/file/d/1Z_JopsdRRcXDDj9NPWo5eloD0-9G-g-v/view?usp=drive_link

Requester: emmawelborn@boisestate.edu