flavors: Correct some formatting issues
flavors: Correct some formatting issues

* Add additional section headers where helpful
* Ensure everything is < 79 chars
* Remove non-ASCII characters

Change-Id: Id0caa6717bdfe65bab712b5e7c40fa8f37833d41

AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals