Feature/tp/spec motion request

[dbeckerAC]

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@kmeids @max-rosin for review

Check the checklist

• I have performed a self-review of my own code.
• I have made corresponding changes to the documentation for osi-sensor-model-packaging.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests / travis ci pass locally with my changes.

see here:
https://github.com/OpenSimulationInterface/osi-sensor-model-packaging/runs/2296152415

[pmai]

CCB 2023-01-16: PR should be updated to new documentation structure, more than one input/output should be allowed (using the general rules).

[dbeckerAC]

CCB 2023-01-16: PR should be updated to new documentation structure, more than one input/output should be allowed (using the general rules).

Done.

Also, I did not see any "must" requirements in other specifications anymore. Do we still use them?