IBL TODO: decide on metadata improvements

[CodyCBakerPhD]

Bring the ideas here and we will help find the way to include them in the NWB format

[CodyCBakerPhD]

#73 will likely cover a lot of bases

[CodyCBakerPhD]

@grg2rsr @mayofaulkner

Please let me know if there's any metadata improvement you'd like to request that isn't covered by ndx-extracellular-channels; otherwise I'll just use the other issue for reference