added "ending_slash" option

[CosmoV]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.92%. Comparing base (64b0b17) to head (1cd836a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #94   +/-   ##
=======================================
  Coverage   78.92%   78.92%           
=======================================
  Files          40       40           
  Lines        2557     2558    +1     
  Branches      376      376           
=======================================
+ Hits         2018     2019    +1     
  Misses        467      467           
  Partials       72       72           

Flag	Coverage Δ
unittests	78.92% <100.00%> (+<0.01%)	⬆️

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Files with missing lines	Coverage Δ
fastapi_jsonapi/api.py	95.89% <100.00%> (+0.01%)	⬆️

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[m-antonov]

Since these changes were included as part of the major changes in #97, this PR is closed. Thank you.