Various additions

[mhostetter]

• Fixes Rename sdr.fspl() to sdr.free_space_path_loss() #373
• Fixes Add sdr.shnidman() #365
• Fixes Add shannon_limit_ebn0() #369
• Fixes Add shannon_limit_snr() #370

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 88.07339% with 13 lines in your changes missing coverage. Please review.

Project coverage is 79.42%. Comparing base (3deae93) to head (00b3a81).

Files	Patch %	Lines
src/sdr/_detection/_approximation.py	77.27%	10 Missing ⚠️
src/sdr/_detection/_coherent_integration.py	90.90%	2 Missing ⚠️
src/sdr/_link_budget/_capacity.py	97.50%	1 Missing ⚠️

Additional details and impacted files

@@                Coverage Diff                @@
##           release/0.0.x     #374      +/-   ##
=================================================
+ Coverage          79.33%   79.42%   +0.09%     
=================================================
  Files                 63       63              
  Lines               3770     3840      +70     
=================================================
+ Hits                2991     3050      +59     
- Misses               779      790      +11     

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