* add public subnet for redshift to enable access for kinesis

* fix redshift subnet group name

* fix redshift public association

* add public redshift to documentation

* fix doc typo

* update code after review

* 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