Add AuditVPS

[kkyr]

Thanks for taking the time to suggest an addition to awesome-selfhosted!

To ensure your Pull Request is dealt with swiftly, please check the following (check the boxes [x]):

• Submit one item per pull request. This eases reviewing and speeds up inclusion.
• You have searched the repository for any relevant issues or PRs, including closed ones.
• Any software you are adding is not already listed at any of awesome-sysadmin, staticgen.com, staticsitegenerators.net, dbdb.io.
• The file you are adding is formatted as described in addition.md.
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• Any software project you are adding to the list is actively maintained.
• Any software project you are adding was first released more than 4 months ago.
• Any software project you are adding has working installation instructions.
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[Rabenherz112]

It's a purely command-line tool, we don't list those here.

A list of Free Software network services and web applications which can be hosted on your own servers