Following the community roles screen, clicking the button should navigate to a new screen that will allow admins to create new roles with a set of permissions. The actual screen will be filled out in a following diff, this just handles the navigation to what will be the create roles screen.
Depends on D8359
[[ https://linear.app/comm/issue/ENG-4170/navigate-to-a-screen-to-create-a-role | ENG-4170 ]]