feat: Add immiscible multiphase flow package

[CusiniM]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 78.34674% with 296 lines in your changes missing coverage. Please review.

Project coverage is 57.11%. Comparing base (93f0252) to head (84613c5). Report is 87 commits behind head on develop.

Files with missing lines	Patch %	Lines
...sicsSolvers/fluidFlow/ImmiscibleMultiphaseFlow.cpp	60.37%	233 Missing :warning:
...miscibleMultiphase/ImmiscibleMultiphaseKernels.hpp	90.85%	32 Missing :warning:
...es/hypre/mgrStrategies/ImmiscibleMultiphaseFVM.hpp	0.00%	15 Missing :warning:
...sicsSolvers/fluidFlow/ImmiscibleMultiphaseFlow.hpp	52.38%	10 Missing :warning:
...onents/linearAlgebra/interfaces/hypre/HypreMGR.cpp	0.00%	3 Missing :warning:
...els/immiscibleMultiphase/KernelLaunchSelectors.hpp	66.66%	2 Missing :warning:
...ts/fluidFlowTests/testImmiscibleMultiphaseFlow.cpp	99.01%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3251      +/-   ##
===========================================
+ Coverage    56.82%   57.11%   +0.29%     
===========================================
  Files         1154     1165      +11     
  Lines        99984   101351    +1367     
===========================================
+ Hits         56816    57888    +1072     
- Misses       43168    43463     +295     

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[paveltomin]

Overall looks pretty good, just some minor things here and there, cleanup and remove commented code

[matteofrigo5]

I'd remove the file host-configs/Stanford/ubuntu22.cmake before merging this branch into the develop branch.