docs: Complete resource documentation for aws_bedrockagent_data_source

[acwwat]

Description

This PR is to complete the resource documentation for aws_bedrockagent_data_source.

Relations

Closes #37420

References

Referred to CreateDataSource for descriptions.

Output from Acceptance Testing

n/a

[github-actions]

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[ewbankkit]

LGTM 🚀.

[ewbankkit]

@acwwat Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.50.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!