Merge pull request #1018 from NCAR/fix-wrf-pot-temp-interp

fix: qty_potential_temperature 3d interpolate in wrf model_mod

Merge pull request #1035 from NCAR/remove-old-readme

remove readme with out of date links

Merge pull request #1032 from NCAR/default-assim-period

fix: set default to 1 day for assimilation period for MOM6

Merge pull request #972 from NCAR/perf-get-close

Remove initialization of close_ind array for 3d sphere and 3d cartesian location mods.

Merge pull request #1005 from NCAR/roms-ssh-required

ROMS Rutgers assert sea surface height is in the state for model_interpolate

Merge pull request #984 from NCAR/nan_check_attributes

bug-fix: adds check to ensure attribute values that are NaNs are consistent across restarts

Merge pull request #992 from NCAR/aether_cubed_sphere

feat: aether cubed sphere model_mod

Merge pull request #985 from NCAR/dartlab-part6

doc: Relocate pdfs for DART_LAB and DART tutorial.

Merge pull request #976 from NCAR/fix-mom6-get-close-state

Fix mom6 get close state

Merge pull request #974 from NCAR/crocolake

feat: Crocolake observation converter