Docs service
Created by: ThomasSteinbach
What does this PR change? What problem does it solve?
Added documentation to the service module.
Checklist
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I have read the Contribution Guidelines -
I have enabled maintainer edits for this PR -
I have added tests for all changes in this PR -
I have added api documentation for the changes -
I added a changelog entry to the unreleased section with the PR number. Changelog -
Linting is done, and linting jobs are successfull -
I'm done, this Pull Request is ready for review