Cherry-pick Comprehensive docs for gitops-console-plugin to release4.18

[aali309]

Cherry-pick of: #271 to release-4.18 branch

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Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (release-4.18@0034442). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff               @@
##             release-4.18     #297   +/-   ##
===============================================
  Coverage                ?   12.44%           
===============================================
  Files                   ?      171           
  Lines                   ?     6836           
  Branches                ?     2309           
===============================================
  Hits                    ?      851           
  Misses                  ?     5979           
  Partials                ?        6           

Flag	Coverage Δ
unit-tests	12.44% <ø> (?)

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[keithchong]

LGTM. Same as main