
During the rocky cycle, there was a docs-spec approved [0] with the goal of having a recommended consistent documentation landing page for all projects. This updates our docs landing page to follow the structure described in that recommendation. [0] http://specs.openstack.org/openstack/docs-specs/specs/rocky/front-page-template.html Change-Id: I0f31c59e6b39ab8d9c0009f72967c793dadbed64