Add placeholder template to keep build working
Add placeholder template to keep build working

Build fails when there are no less templates in `awx/ui/static/js`,
therefore I'm adding this file that I will remove immediately once I
start adding less templates to this directory.

snahelou/awx,snahelou/awx,snahelou/awx,wwitzel3/awx,wwitzel3/awx,snahelou/awx,wwitzel3/awx,wwitzel3/awx