feat: Added OTel kafka Prometheus based docs pages

[shashank-reddy-nr]

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[github-actions]

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[PallaviWrite]

netlify build fork

[svc-docs-eng-opensource-bot]

✅ Your PR has been mirrored to our repository as PR #23771.
Commit: 4e12097192f1aee1000e1c7b808a04307d107a86 (4e12097)
Our workflows will run in the mirrored PR linked above.
🚀 If the build is successful, a Netlify preview will be available shortly at: https://shashank-reddy-nr-add-otel-kafka-prome--docs-website-netlify.netlify.app

[PallaviWrite]

netlify build fork

[svc-docs-eng-opensource-bot]

✅ Your updates have been mirrored to our repository in PR #23771.
Commit: d408fd91b3e5ccf3f9c5ad6641563b9966b9bee2 (d408fd9)
Our workflows will run in the mirrored PR linked above.
🚀 If the build is successful, a Netlify preview will be updated shortly at: https://shashank-reddy-nr-add-otel-kafka-prome--docs-website-netlify.netlify.app