docs(reference): move manpages to subfolder and add README

[phm07]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 70.38%. Comparing base (86f4a53) to head (41133f1).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/scripts/generate_docs.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1034   +/-   ##
=======================================
  Coverage   70.38%   70.38%           
=======================================
  Files         247      247           
  Lines       10867    10867           
=======================================
  Hits         7649     7649           
  Misses       2543     2543           
  Partials      675      675           

Flag	Coverage Δ
e2e	50.67% <ø> (ø)
unit	63.32% <0.00%> (ø)

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[jooola]

Aside from the little nit, looks good.

Could you update the title of the PR to reflect the changes?