Adding interpolated fluid properties

[andrsd]

• Moving Props outside of SinglePhaseFluidProperties
• Rename Props to State
• Removing FluidProperties class
• Adding HDF5/h5pp
• Adding math::pow
• Adding utilities to support interpolation
• Adding InterpolatedFluidProperties

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (e5216fc) 97.22% compared to head (1bfe8f1) 97.55%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
+ Coverage   97.22%   97.55%   +0.33%     
==========================================
  Files          23       29       +6     
  Lines        1693     2046     +353     
==========================================
+ Hits         1646     1996     +350     
- Misses         47       50       +3     

Files	Coverage Δ
include/Helmholtz.h	99.50% <ø> (ø)
include/InterpolatedFluidProperties.h	100.00% <100.00%> (ø)
include/Numerics.h	100.00% <100.00%> (ø)
include/SinglePhaseFluidProperties.h	100.00% <ø> (ø)
include/Utils.h	100.00% <100.00%> (ø)
python/src/fprops.cpp	100.00% <100.00%> (ø)
src/Helmholtz.cpp	100.00% <100.00%> (ø)
src/IdealGas.cpp	94.11% <100.00%> (ø)
src/Props.cpp	100.00% <100.00%> (ø)
src/SinglePhaseFluidProperties.cpp	100.00% <100.00%> (ø)
... and 10 more

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