Add fck-nat to the stack to cut AWS Managed NAT Gateway costs

[mkleszcz]

Description

There is a way to cut some costs of AWS Managed NAT Gateway that is created by default in the VPC by using fck-nat constructs.

Describe the solution you'd like

Add fck-nat to the stack instead of AWS Managed NAT Gateway

Describe alternatives you've considered

No response

Additional context

No response

Validations

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• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.