Build flytectl monodocs from monorepo

[eapolinario]

Why are the changes needed?

flytectl is now built and released from the monorepo. Time to build the flytectl monodocs from the monorepo.

What changes were proposed in this pull request?

How was this patch tested?

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.23%. Comparing base (add971e) to head (b92efc4).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5374      +/-   ##
==========================================
+ Coverage   60.22%   60.23%   +0.01%     
==========================================
  Files         646      646              
  Lines       45664    45664              
==========================================
+ Hits        27499    27505       +6     
+ Misses      15575    15569       -6     
  Partials     2590     2590              

Flag	Coverage Δ
unittests-datacatalog	69.31% <ø> (ø)
unittests-flyteadmin	58.90% <ø> (+0.04%)	⬆️
unittests-flytecopilot	17.79% <ø> (ø)
unittests-flyteidl	79.30% <ø> (ø)
unittests-flyteplugins	61.94% <ø> (ø)
unittests-flytepropeller	57.32% <ø> (ø)
unittests-flytestdlib	65.75% <ø> (ø)

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[cosmicBboy]

lgtm