[ENH] Let user upload an already annotated data dictionary

[surchs]

Is there an existing issue for this?

• I have searched the existing issues

New feature

When I have already used the annotator once to create a neurobagel annotation tool, I would like to be able to use the file I have generated as an input to the annotation tool the next time I use it.

i.e.:

• data dictionary upload accepts neurobagel data dictionary .json
• we parse the neurobagel portion of the user supplied data dictionary
• the app state gets set to reflect the user supplied data dictionary
• inputs get validated: Validate supplied .tsv and .json files #49

Unclear documentation

No response

[github-actions]

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