Storage: use JSON schema to structure data and spawn GraphQL interface

[georg-schwarz]

Continuing work of @LechoDecho to enable GraphQL interface for the data.

Use the JSONschema provided by the pipeline to structure the data stored instead of storing blobs.

[georg-schwarz]

@f3l1x98 cleaning up the old pull request, updating it to current state of main, and taking inventory what is still missing.