feat: add public api swagger hub page

[hamidonos]

What this PR changes/adds

• create & publish new public-api swagger hub page

Why it does that

• APIs which are publicly exposed (example: DataPlanePublicApi) should not be grouped under control-api or management-api. Therefore a new API group is necessary

Further notes

Linked Issue(s)

Closes #3373

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (070229e) 71.73% compared to head (074fd11) 71.73%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3686   +/-   ##
=======================================
  Coverage   71.73%   71.73%           
=======================================
  Files         919      919           
  Lines       18465    18465           
  Branches     1034     1034           
=======================================
  Hits        13246    13246           
  Misses       4760     4760           
  Partials      459      459           

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