Added German translations

[pm-kuerten]

Description of Change

Added german translation to all entries in the localization files.

Issues Resolved

• fixes #

API Changes

None

Behavioral Changes

None

Testing Procedure

PR Checklist

• [ ] I have included examples or tests
• [ ] I have updated the change log or created a GitHub ticket with the change
• [ ] I am listed in the CONTRIBUTORS file (if it exists)
• [ ] Changes adhere to coding standard
• [ ] I checked the licenses of Third Party software and discussed new dependencies with at least 1 other team member

[CLAassistant]

All committers have signed the CLA.

[GeertvanHorrik]

Very nice, thank you very much!

[GeertvanHorrik]

New alpha with translations has been released.