CCM-9140 Adding VPC configuration

[aidenvaines-cgi]

Description

• Adds base VPC configuration to the acct component and exposes the subnet IDs and EIP of the NAT gateway. Lambdas for the usecase of know IP addresses should go in the 'private' subnets.
• public and private subnets are generated based on a bit mask, the defaults create a small public and larger private subnet in all AZs available in the region equally. defaults will create 3x /28 public (16 hosts ea) and 3x /19 (8k hosts ea) private subnets.

Context

Type of changes

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

Checklist

• I am familiar with the contributing guidelines
• I have followed the code style of the project
• I have added tests to cover my changes
• I have updated the documentation accordingly
• This PR is a result of pair or mob programming

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Sensitive Information Declaration

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• I confirm that neither PII/PID nor sensitive data are included in this PR and the codebase changes.