Add efficiency error

[cdunn314]

Add an optional error calculation to the compute_detection_efficiency() function. This will eventually be used to calculate the overall error in neutron rate calculations.

[codecov]

Codecov Report

❌ Patch coverage is 31.81818% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.28%. Comparing base (3fb0bf4) to head (d50a920).

Files with missing lines	Patch %	Lines
.../neutron_detection/activation_foils/calibration.py	20.00%	8 Missing ⚠️
...lbox/neutron_detection/activation_foils/compass.py	41.66%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
- Coverage   87.11%   86.28%   -0.84%     
==========================================
  Files          19       19              
  Lines        1506     1524      +18     
==========================================
+ Hits         1312     1315       +3     
- Misses        194      209      +15     

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