Introduce cloud ngfw terraform modules and examples

[migara]

Description

Introduce AWS and Azure Cloud NGFW-related Terraform modules, reference architectures and examples into Orchestration Hub

Motivation and Context

Currently, we only have VM-Series related Terraform modules, reference architectures and examples

How Has This Been Tested?

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

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