Issue1217 slack git hub action

[SvenHinrichs]

Thank you for making a Pull Request to AixLib!

Please consider these points before submitting:

• Mention the issue that this Pull Request intends to solve, and briefly describe what the main changes are.
• Make sure all new code follows our Modelica Guidelines
• Make sure all new models include documentation as described in the Documentation Wiki-Page and are demonstrated by suitable examples

If you know someone who could review your code, please use the Reviewer function on the right to ask for a review and also assign the PR to them. If not, no worries, we will find someone for you.

Thanks again for your PR! You can delete these first lines before submitting your PR.

[DaJansenGit]

thanks for the implementations :) If the CI passes you can merge!