Set up an initial structure for the repository which provides sections for both specs and use cases, plus a guide on how to contribute. Story: 2001628 Task: 6614 Task: 6615 Change-Id: If117f8b4d634707a9375a78292f916f47a4f8b0c
Based on https://git.openstack.org/openstack-dev/specs-cookiecutter Change-Id: Ic847b1981a2d3d1846225713fa2bc6e295dc60ac