feat: Support aws_dynamodb_resource_policy (closes #95)

[drosin]

Description

The terraform module aws_dynamodb_resource_policy was added so that resource-based policies can be added to the DynamoDB table.

Motivation and Context

This new feature allows cross-account access of the DynamoDB table. It fixes the following issue: 95

Breaking Changes

This is not a breaking change.

How Has This Been Tested?

• I have updated at least one of the examples/* to demonstrate and validate my change(s)
• I have tested and validated these changes using one or more of the provided examples/* projects

I tested the code change as follows:

• I deployed the example in the basic folder.
• I created a new example to include a resource based policy in a new folder named examples/resource-based-policy based on the example in the basic folder. In the new example file, the placeholder account_id and role need to be exchanged for existing ones.
• I have executed pre-commit run -a on my pull request

[drosin]

@antonbabenko, shall we merge the PR?

[antonbabenko]

This PR is included in version 4.3.0 🎉

[github-actions]

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