feat: Add single_nat_gateway_subnet_index to choose NAT Gateway public subnet#1133

cosimomeli wants to merge 6 commits intoterraform-aws-modules:masterterraform-aws-modules/terraform-aws-vpc:masterfrom

zaphiro-technologies:select-nat-gateway-subnetzaphiro-technologies/terraform-aws-vpc:select-nat-gateway-subnetCopy head branch name to clipboard