feat: Add cloudfront response header policy support

[joshAtRula]

Description

This PR adds support to the module to create cloudfront response headers, and then optionally reference them within the Cloudfront distro being created, enhancing the capabilities of the module to support a greater portion of the cloudfront experience.

Motivation and Context

My organization has cloudfront distros we're importing/recreating with this module that require custom response policies. Rather than diverge from the module substantially by augmenting our own implementation while vendoring this module in, why not help out? :)

Breaking Changes

No, this does not break any functionality.

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 have authored separate code that leverages this change and deployed it

• I have executed pre-commit run -a on my pull request

[joshAtRula]

@antonbabenko just tagging you here in case you missed the PR opening request. Thanks so much for your time on these modules!