docs: Update adaptive batching doc

[Sherlock113]

What does this PR address?

Update the intro and diagrams

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[hyperlint-ai]

PR Change Summary

Updated the adaptive batching documentation to enhance clarity and detail.

• Revised the introduction to better explain the benefits of adaptive batching.
• Updated the diagram width for improved visibility.
• Clarified the description of how adaptive batching works in relation to traffic patterns.

Modified Files

• docs/source/get-started/adaptive-batching.rst

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