Update README.md to include "native" as an option for cluster.deployTo

[DanFathom5]

Description

Add native as an option to cluster.deployTo

Motivation and Context

Prevent possible users from assuming that they must use eks/aws/gke/openshift

How Has This Been Tested?

Checked for typos

Screenshots (if appropriate)

Types of changes

Bug fix

Checklist

• [x] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes if appropriate.
• [x] All new and existing tests passed.

[welcome-to-palo-alto-networks[bot]]

:tada: Thanks for opening this pull request! We really appreciate contributors like you! :raised_hands:

[DanFathom5]

I do not see a CONTRIBUTING document. Where can I find this?

[karabijavad]

This is outdated, if you want to close it.

[DanFathom5]

outdated