Compressor Map Table Interpolation v1

[WyattGiroux]

Added the NcTblMap and ecTblMap functions for table interpolation of speed and efficiency (+ derivatives). Also added the bilinearBounded.jl file to perform the bilinear interpolation and the tftbl.jl file to generate the const map data structs.

Ran unit tests in test/runtests.jl and got all either passing or broken:

[codecov]

Codecov Report

Attention: Patch coverage is 0.82645% with 120 lines in your changes missing coverage. Please review.

Project coverage is 72.38%. Comparing base (430cfd8) to head (4243635).
Report is 24 commits behind head on main.

Files with missing lines	Patch %	Lines
src/utils/bilinearBounded.jl	0.00%	97 Missing ⚠️
src/engine/tfmap.jl	0.00%	23 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #92      +/-   ##
==========================================
- Coverage   73.41%   72.38%   -1.04%     
==========================================
  Files          77       82       +5     
  Lines       13908    13571     -337     
==========================================
- Hits        10211     9823     -388     
- Misses       3697     3748      +51     

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