Install OpenStack services in Installation Guide

Missing Installation guide for Victoria

This bug tracker is for errors with the documentation, use the following as a template and remove or add fields as you see fit. Convert [ ] into [x] to check boxes:

- [ ] This doc is inaccurate in this way: ______
- [ ] This is a doc addition request.
- [ ] I have a fix to the document that I can paste below including example: input and output.

If you have a troubleshooting or support issue, use the following resources:

 - The mailing list: https://lists.openstack.org
 - IRC: 'openstack' channel on Freenode

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Release: on 2020-12-23 10:37:21
SHA: e2f04900da5f2fdd34f50463b4d935915ca9f14f
Source: https://opendev.org/openstack/openstack-manuals/src/doc/install-guide/source/openstack-services.rst
URL: https://docs.openstack.org/install-guide/openstack-services.html