Add EXT:luxletter to Crowdin

[prathers]

Please add the extension as a project on the Crowdin server and get your work localized.

Read more: https://docs.typo3.org/m/typo3/reference-coreapi/11.5/en-us/ApiOverview/Internationalization/TranslationServer/Crowdin/ExtensionIntegration.html#setup

[comradekingu]

Or don't make the mistake of TYPO3, and use Weblate instead :) Happy to help if you do.