add return_types and new abstraction for requests to be made

[jjjermiah]

• needs rigorous testing

[codecov]

Codecov Report

Attention: 76 lines in your changes are missing coverage. Please review.

Comparison is base (86621f1) 82.41% compared to head (6874a3d) 80.57%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
src/nbiatoolkit/dicomsort/dicomsort.py	18.64%	48 Missing ⚠️
src/nbiatoolkit/nbia.py	81.65%	20 Missing ⚠️
src/nbiatoolkit/utils/parsers.py	75.00%	6 Missing ⚠️
tests/test_nbia_series_functions.py	97.46%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #110      +/-   ##
==========================================
- Coverage   82.41%   80.57%   -1.84%     
==========================================
  Files          19       22       +3     
  Lines        1211     1179      -32     
==========================================
- Hits          998      950      -48     
- Misses        213      229      +16     

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