feat: emit documentation

[elringus]

Resolves #144.

Documentation: https://bootsharp.com/guide/declarations#documentation-declarations

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (503fe25) to head (d035763).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #199   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           54        55    +1     
  Lines         2559      2656   +97     
  Branches       436       452   +16     
=========================================
+ Hits          2559      2656   +97     

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