feat: Add getSeriesMetadata method to NBIAClient class

[jjjermiah]

No description provided.

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (440d9b4) 77.29% compared to head (31211a6) 77.94%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
src/nbiatoolkit/nbia.py	85.71%	2 Missing ⚠️
tests/test_nbia.py	92.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #87      +/-   ##
==========================================
+ Coverage   77.29%   77.94%   +0.65%     
==========================================
  Files          18       18              
  Lines        1004     1043      +39     
==========================================
+ Hits          776      813      +37     
- Misses        228      230       +2     

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