Add nominee parsing

[codereverser]

• Adds support for parsing nominee information, if available
• Bug fix where PAN was missing in folio details for certain cases

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (ee7a60c) 98.34% compared to head (05913a7) 98.36%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #84      +/-   ##
==========================================
+ Coverage   98.34%   98.36%   +0.03%     
==========================================
  Files          16       16              
  Lines        1020     1035      +15     
==========================================
+ Hits         1003     1018      +15     
  Misses         17       17              

Files	Coverage Δ
casparser/__init__.py	100.00% <100.00%> (ø)
casparser/process/cas_detailed.py	98.73% <100.00%> (+0.11%)	⬆️
casparser/process/regex.py	100.00% <100.00%> (ø)
casparser/types.py	100.00% <100.00%> (ø)

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