cubicweb-brainomics #4045184 Updat e importer with new genomics entities [validation pending]

prioritynormal
typebug
done in0.12.0
load0.200
load left0.000
closed by#bebc2658a01b [importer] Add chromosome and genes data, closes #4045184
patch[importer] Add chromosome and genes data, closes #4045184 [applied][importer] Update importer according to Genomic schema changes, related to #4045184 [applied]