Domain - Create netCDF Files

[N1ckP3rsl3y]

• Second part of moving to netCDF output
• If a domain netCDF has not been provided, generate one to future runs
• See https://github.com/DrylandEcology/SOILWAT2/issues/362

[codecov[bot]]

Codecov Report

Attention: 50 lines in your changes are missing coverage. Please review.

Comparison is base (cdc30b8) 71.00% compared to head (4e370cd) 70.68%.

Files	Patch %	Lines
src/filefuncs.c	26.08%	34 Missing :warning:
src/SW_Control.c	11.76%	15 Missing :warning:
src/SW_SoilWater.c	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/devel_v8.0.0 #383 +/- ## ======================================================== - Coverage 71.00% 70.68% -0.33% ======================================================== Files 21 21 Lines 5591 5631 +40 ======================================================== + Hits 3970 3980 +10 - Misses 1621 1651 +30 ```

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