Add Docker resources to docs
Add Docker resources to docs

This add a section for Docker resources in the Template Guide page.

Co-Authored-By: Richard Lee <c78a6a0a910dbb49f00feb19ae0b326dc5a3a0e9@gmail.com>
Change-Id: I912fbc8624d93f16e05cb00f886eed6142dd0793
Partial-Bug: #1271226

srznew/heat,miguelgrinberg/heat,dragorosson/heat,noironetworks/heat,jasondunsmore/heat,pratikmallya/heat,redhat-openstack/heat,steveb/heat,cryptickp/heat,redhat-openstack/heat,NeCTAR-RC/heat,rdo-management/heat,takeshineshiro/heat,NeCTAR-RC/heat,miguelgrinberg/heat,noironetworks/heat,maestro-hybrid-cloud/heat,dims/heat,openstack/heat,srznew/heat,gonzolino/heat,pratikmallya/heat,pshchelo/heat,cwolferh/heat-scratch,gonzolino/heat,openstack/heat,rh-s/heat,takeshineshiro/heat,pshchelo/heat,maestro-hybrid-cloud/heat,jasondunsmore/heat,dims/heat,cryptickp/heat,dragorosson/heat,rdo-management/heat,steveb/heat,cwolferh/heat-scratch,rh-s/heat