Summary of the changes introduced in this PR. Try to use bullet points as much as possible.
documentation/changelog.rst
This section can contain example pictures for UI, Input/Output for CLI, Request / Response for API endpoint, etc.
Steps to test it or name of the tests functions.
The library flexmeasures-client can be useful to showcase new features. For example, it can be used to set some example data to be used in a new UI feature.
Potential improvements to be done in the same PR or follow-up Issues/Discussions/PRs.
Mention if this PR closes an Issue or Project.