Update service annotations live docs

[kishorj]

Issue

#2318
#2296
#2184

Description

Document the service annotations supported by this controller.

Checklist

• Added tests that cover your change (if possible)
• Added/modified documentation as required (such as the README.md, or the docs directory)
• Manually tested
• Made sure the title of the PR is a good description that can go into the release notes

Manual tests

Ran make docs-preview and verified the live docs renders properly.

BONUS POINTS checklist: complete for good vibes and maybe prizes?! 🤯

• Backfilled missing tests for code in same general area 🎉
• Refactored something and made the world a better place 🌟

[M00nF1sh]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kishorj, M00nF1sh

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• OWNERS [M00nF1sh,kishorj]

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[codecov-commenter]

Codecov Report

Merging #2320 (f423fb0) into main (f5b1bc3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #2320   +/-   ##
=======================================
  Coverage   54.16%   54.16%           
=======================================
  Files         136      136           
  Lines        7698     7698           
=======================================
  Hits         4170     4170           
  Misses       3212     3212           
  Partials      316      316           

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