docs: fixing docs bugs made by quetzalli

[quetzalliwrites]

I just realized I accidentally merged a couple of mistakes to docs, so fixing them 🥲

The Kafka section is in the wrong order in the nav (should be after new WebSocket section) and there is a period in one of the WebSocket page titles.

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[asyncapi-bot]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🔴 Performance	39
🟢 Accessibility	98
🟢 Best practices	92
🟢 SEO	100
🔴 PWA	33

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[quetzalliwrites]

@thulieblack or @akshatnema, can you please review the new correct order via the preview link and help approve this PR? Our new Kafka section is in the wrong place in our docs navigation, creating a confusing user experience. 😿

[akshatnema]

@alequetzalli is this the right position for Kafka directory? I see this in the preview.

[thulieblack]

Based on the PR description, it is Akshat; it's supposed to be below the WebSocket.

[thulieblack]

/rtm

[thulieblack]

damn I forgot, please @akshatnema do approve and merge please

[quetzalliwrites]

thank you so much for helping out, @thulieblack! 🍻 appreciate you