* Added intra subnet suffix.

* Fixed duplicate intra

* Fixed tag

Added option to create ECR api and dkr endpoints

Extend endpoints for AWS Systems Manager use

add endpoints ec2messages, ssmmessages as those are required by Systems Manager in addition to ec2 and ssm.

test

adding option to create a route to nat gateway in database subnets

Added SSM and EC2 VPC endpoints

Added possibility to control creation of elasticache and redshift subnet groups

Added IGW route for DB subnets (based on #179)

Fix for the error: module.vpc.aws_redshift_subnet_group.redshift: onl…

Fix for the error: module.vpc.aws_redshift_subnet_group.redshift: only lowercase alphanumeric characters and hyphens allowed in name

Read more: https://github.com/terraform-aws-modules/terraform-aws-vpc/issues/180

* Added amazon_side_asn to vpn_gateway

* change to Amazon default ASN (as per API) (#176)

https://docs.aws.amazon.com/cli/latest/reference/ec2/create-vpn-gateway.html

* add vars for custom subnet and route table names

* revert db suffix to "db"

* Add secondary CIDR block support using a local variable to derive the vpc id to ensure the CIDR block operations are applied before the CIDR operations

* Add secondary cidr block outputs to module output

* Add the wonderful examples from matthiasr's PR located at https://github.com/terraform-aws-modules/terraform-aws-vpc/pull/162 all credit goes to them for this wonderful example

* From copy and paste accidentally used variable name that differed from these variables

* Resolve typo in secondary_cidr_blocks

* Fixed README formatting

* Followups for #161

* Added local.vpc_id with description

* Added support for IPv6 to VPC