1278: Limiter implementation r=kaiyou a=micw
## What type of PR?
(Feature, enhancement, bug-fix, documentation)
## What does this PR do?
Adds a custom limter based on the "limits" lirary that counts up on failed auths only
### Related issue(s)
- closes#1195
- closes#634
## Prerequistes
- [X] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/guide.html#changelog) entry file.
Co-authored-by: Michael Wyraz <michael@wyraz.de>
Co-authored-by: micw <michael@wyraz.de>
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