[QT-405] Create solo worker module (#3148)

* Create solo worker module

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Co-authored-by: Josh Brand <jbrand@hashicorp.com>

enos/enos-scenario-e2e-aws.hcl

@@ -113,6 +113,7 @@ scenario "e2e_aws" {
       vpc_id               = step.create_base_infra.vpc_id
       target_count         = 2
       additional_tags      = step.create_tag1_inputs.tag_map
+      subnet_ids           = step.create_boundary_cluster.subnet_ids
     }
   }
 
@@ -142,6 +143,7 @@ scenario "e2e_aws" {
       vpc_id               = step.create_base_infra.vpc_id
       target_count         = 1
       additional_tags      = step.create_tag2_inputs.tag_map
+      subnet_ids           = step.create_boundary_cluster.subnet_ids
     }
   }