Added de.lua - Githubissues

German locale

Describe Pull request In this Pull request I added a German locale file. That file is called de.lua and will be located in the locales folder.

Questions (please complete the following information):

Have you personally loaded this code into an updated qbcore project and checked all it's functionality? Yes.
Does your code fit the style guidelines? I think so.
Does your PR fit the contribution guidelines? I think so.

qbcore-framework / qb-bankrobbery