Implement NAT Gateway for internet egress

[doherty100]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [ X ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

N/A

Any log messages given by the failure

N/A

Expected/desired behavior

Implement NAT gateway for outbound internet access given Default Outbound Access Retirement

OS and Version?

Windows Server 2022, Ubuntu LTS 24.04

Versions

#AzureSandbox v2.13.11

Mention any other details that might be useful

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