[RW-8588][risk=no] Add new demo project featured workspace (#6828)
[RW-8588][risk=no] Add new demo project featured workspace (#6828)


all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench