Add get single artist

[tomjowitt]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 45.45455% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 39.20%. Comparing base (29e7995) to head (461be68).
Report is 1 commits behind head on main.

Files	Patch %	Lines
artist.go	45.45%	3 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #30       +/-   ##
===========================================
+ Coverage   24.71%   39.20%   +14.49%     
===========================================
  Files           6        4        -2     
  Lines         259      176       -83     
===========================================
+ Hits           64       69        +5     
+ Misses        185       94       -91     
- Partials       10       13        +3     

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