add template for directives

fuzz/corpus/hashicorp%terraforminternal%terraform%testdata%plan-variable-sensitivity-module%main.tf

@@ -0,0 +1,14 @@
+variable "sensitive_var" {
+  default   = "foo"
+  sensitive = true
+}
+
+variable "another_var" {
+  sensitive = true
+}
+
+module "child" {
+  source = "./child"
+  foo    = var.sensitive_var
+  bar    = var.another_var
+}