Proposal: Move NWBFile::create*Series convenience functions to a new module #213
Description
Consider moving NWB::createElectricalSeries etc. convenience methods to an nwb I/O utilities.
➕ Simplify the NWBFile class and make it so NWBFile could eventually be generated from the schema directly without requiring extra custom functions
➖ Having the functions on NWBFile may be more intuitive for the user