Document S3 tracking deployment patterns and event-driven SQS mode, expand Bedrock integration guidance, and wire new AWS concept/example pages into existing docs navigation.

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Checklist

• PR has an informative and human-readable title (this will be pulled into the release notes)
• Changes are limited to a single goal (no scope creep)
• Code passed the pre-commit check & code is left cleaner/nicer than when first encountered.
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future TODOs are captured in comments
• Project documentation has been updated if adding/changing functionality.
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  Fixed Add documentation for AWS deployment, S3 tracking, and Amazon Bedrock integration #724