feat: add custom dynamodb endpoint configuration

[hnaoto]

Description

Add custom dynamodb endpoint configuration
Users can specify dynamodb endpoint in the map or set the environment variable AWS_ENDPOINT_URL_DYNAMODB to override dynamodb client endpoint.

Related Issue(s)

2498

Documentation

[github-actions]

ACTION NEEDED

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[ion-elgreco]

@hnaoto thanks!

[ion-elgreco]

@hnaoto can you also update the docs on s3 and dynamodb later on with this new change?

[hnaoto]

Thanks for reviewing the PR @ion-elgreco !

Yes, would you mind me asking where I can find the docs? Is it this one https://delta-io.github.io/delta-rs/usage/writing/writing-to-s3-with-locking-provider/ (for python)? The rust one is automatically generated. Is there another user guide for Rust?

[ion-elgreco]

@hnaoto that's the one yeah, you should see the related markdown file somewhere in the repo.

There is no specific guide for Rust, but this one is written generic enough. It's just that the example is often in Python