Update german translation

[mooreds]

Update german translation

Description

Following the instructions here:

https://github.com/FusionAuth/fusionauth-localization/#how-to-translate

Update the German messages file: https://github.com/FusionAuth/fusionauth-localization/blob/master/missing-translations/messages_de.properties

Submit a PR against themes/messages_de.properties after the update.rb script has been run.

Community guidelines

All issues filed in this repository must abide by the FusionAuth community guidelines.

[Aaron-Ritter]

I will start working on this issue.

[Aaron-Ritter]

Created #2251 based on some findings while translating.

[Aaron-Ritter]

@mooreds first PR is ready for review.