add data model and TODO items for users and permissions
tweak markdown field preview/editor styles
sort API entries by title rather than by handle
Merge branch 'master' into users-permissions

Conflicts:
	TODO
support entities belonging to workspaces
show more descriptive error messages
add users and permissions
move middleware out of routes
Merge branch 'users-permissions'
revert config changes
update gitignore
add an initial user setup step; refactor middleware