Better UI and Client

[RJCD-Diamond]

Various improvements to the API client responses, error handling.
Added a simple javascript/css ui to inspect and send jobs, instead of having to rely on python client or hhtp requests
Added a ton of tests to cover all the new client features

[codecov]

Codecov Report

❌ Patch coverage is 97.81421% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.03%. Comparing base (5b6aa7b) to head (ada97c5).

Files with missing lines	Patch %	Lines
src/indigoapi/task_queue/manager.py	94.20%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #6      +/-   ##
==========================================
+ Coverage   94.62%   97.03%   +2.40%     
==========================================
  Files          18       20       +2     
  Lines         614      742     +128     
==========================================
+ Hits          581      720     +139     
+ Misses         33       22      -11     

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