* fix: improvements for compact ATLAS reads
* feat: added ESR netCDF4 formats to list of model types
* feat: added options to apply flexure to computational programs
* feat: added Greenland 1km model (Gr1kmTM) to list of models
* feat: added field_mapping options to netCDF4 and HDF5 reads
* refactor: changed keyword arguments to camel case
* refactor: use pypi versions of ICESat-2 and ATM1b tools
* docs: add paragraph about delta times