cubicweb-fastimport #4985775 provide a "store" api on top of the base api [in-progress]

cubicweb/dataimport provides an api to help importing data fast. By honoring this api, we could use fastimport seamlessly where dataimport/dataio is currently used.

prioritynormal
typeenhancement
done in1.0.0
closed by<not specified>
patchStore: add an object implementing the CubicWeb store API [in-progress]