add new example for OCR using Claude3's Vision feature with Bedrock

[mashiike]

ref #713 (review)

In response to the proposal in the review comments of this PR, I will add an OCR example that uses the Cluade3 Vision feature via Bedrock.

PR Checklist

• Read the Contributing documentation.
• Read the Code of conduct documentation.
• Name your Pull Request title clearly, concisely, and prefixed with the name of the primarily affected package you changed according to Good commit messages (such as memory: add interfaces for X, Y or util: add whizzbang helpers).
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• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. Fixes #123).
• Describes the source of new concepts.
• References existing implementations as appropriate.
• Contains test coverage for new functions.
• Passes all golangci-lint checks.

[tmc]

Lovely, thank you.