[ftr] Documentation about dynamic annotation classifications #612
Description
Is your feature request related to a problem? Please describe.
This feature introduced with #585 should be documented so that people know how they can make use of it.
Describe the solution you'd like
Add documentation in https://github.com/Edirom/Edirom-Online/blob/develop/docs/data-creation-workflow.md#annotations
Describe alternatives you've considered
./.
Additional context
./.