Hi Steffen,
It's looking great. Currently the way the Serilog project runs is that we encourage sink authors to self-publish and get some feedback/usage before we offer to bring it under the serilog root project's umbrella (the number of sinks grew so explosively that maintaining them centrally became a significant burden).
I think the code is looking good. The next steps would be:
Once it's had some use in the wild it'd definitely be worth an inclusion in the Serilog project - once you feel it's battle-tested please do raise an issue on the Serilog tracker for this purpose. In the meantime to help raise the profile of the project I've listed it here on the Serilog wiki:
Let me know if you need a hand with anything!
Nick