Add support for adding IAM policies to worker nodes

Author: darkn3rd

Diff for: main.tf

@@ -3,6 +3,9 @@ variable "region" {}
 variable "instance_type" {
   default = "m5.large"
 }
+variable "workers_additional_policies" {
+  default = []
+}
 
 data "aws_availability_zones" "available" {}
 
@@ -41,6 +44,8 @@ module "eks" {
   subnets      = module.vpc.private_subnets
   vpc_id       = module.vpc.vpc_id
 
+  workers_additional_policies = var.workers_additional_policies
+
   worker_groups = [
     {
       name                 = "worker-group-1"