UpdaterPlugin YAML config

[dalyIsaac]

Added a declarative config for the UpdaterPlugin.

[codecov]

Codecov Report

Attention: Patch coverage is 94.28571% with 2 lines in your changes missing coverage. Please review.

Project coverage is 80.44%. Comparing base (1539fc6) to head (6c9d5e9).

Files with missing lines	Patch %	Lines
src/Whim.Yaml/YamlPluginLoader.cs	92.85%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1031      +/-   ##
==========================================
+ Coverage   80.40%   80.44%   +0.03%     
==========================================
  Files         280      280              
  Lines       11976    12010      +34     
  Branches     1369     1376       +7     
==========================================
+ Hits         9629     9661      +32     
  Misses       2173     2173              
- Partials      174      176       +2     

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