add template for directives

fuzz/corpus/hashicorp%terraforminternal%terraform%testdata%graph-builder-apply-basic%main.tf

@@ -0,0 +1,9 @@
+module "child" {
+  source = "./child"
+}
+
+resource "test_object" "create" {}
+
+resource "test_object" "other" {
+  test_string = "${test_object.create.test_string}"
+}