feat(netcdf): support creating and loading model netcdf input files

[mjreno]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 90.95890% with 33 lines in your changes missing coverage. Please review.

Project coverage is 76.4%. Comparing base (bb9824e) to head (8c59095).
Report is 35 commits behind head on develop.

Files with missing lines	Patch %	Lines
flopy/utils/model_netcdf.py	89.7%	27 Missing ⚠️
flopy/mf6/data/mfdataarray.py	93.5%	2 Missing ⚠️
flopy/mf6/mfmodel.py	92.3%	2 Missing ⚠️
flopy/mf6/mfpackage.py	83.3%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           develop   #2417     +/-   ##
=========================================
+ Coverage     68.4%   76.4%   +7.9%     
=========================================
  Files          294     295      +1     
  Lines        59390   60180    +790     
=========================================
+ Hits         40652   45988   +5336     
+ Misses       18738   14192   -4546     

Files with missing lines	Coverage Δ
flopy/mf6/data/mfdataplist.py	79.8% <100.0%> (+7.2%)	⬆️
flopy/mf6/data/mfdatastorage.py	75.8% <100.0%> (+6.9%)	⬆️
flopy/mf6/data/mffileaccess.py	75.8% <100.0%> (+4.8%)	⬆️
flopy/mf6/data/mfstructure.py	64.1% <100.0%> (+<0.1%)	⬆️
flopy/mf6/mfsimbase.py	75.5% <100.0%> (+13.3%)	⬆️
flopy/mf6/data/mfdataarray.py	68.1% <93.5%> (+9.6%)	⬆️
flopy/mf6/mfmodel.py	84.2% <92.3%> (+28.2%)	⬆️
flopy/mf6/mfpackage.py	82.0% <83.3%> (+17.3%)	⬆️
flopy/utils/model_netcdf.py	89.7% <89.7%> (ø)

... and 243 files with indirect coverage changes