Adding a note about creating data streams in Kibana

[yetanothertw]

Summary

Fixes #4510

• [On the Set up a data stream page] Adds a note to point out that starting with Elasticsearch 9.3, you can create classic data streams in Kibana on the Streams page).
• [On the Creating a data stream with a lifecycle page] Adds an option for creating the stream in Kib.

Generative AI disclosure

1. Did you use a generative AI (GenAI) tool to assist in creating this contribution?

• Yes
• No

Used Claude 4.5 to find potential other pages that may benefit from this change and validate some assumptions.

[github-actions]

✅ Vale Linting Results

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[github-actions]

🔍 Preview links for changed docs

• manage-data/data-store/data-streams/set-up-data-stream.md
• manage-data/lifecycle/data-stream/tutorial-create-data-stream-with-lifecycle.md

[kilfoyle]

LGTM! 🏎️
Looks great, and both the note and steips are crystal clear.

[marciw]

LGTM with a couple of applies_to-related tweaks

[alisonelizabeth]

Looks good. Thank you for adding this!

[damian-polewski]

Hi @yetanothertw, thank you for working on this! I added one comment with some concerns I have. Let me know what do you think!

[damian-polewski]

Looks good! Thanks!