route table 추가 환경변경

modules/transit-gw-vpc-attatch/main.tf

@@ -0,0 +1,5 @@
+resource "aws_ec2_transit_gateway_vpc_attachment" "tgw-vpc-attatch" {
+  subnet_ids         = var.subnet_id_list
+  transit_gateway_id = var.tgw_id
+  vpc_id             = var.vpc_id
+}