expand documentation for WFJT node list

awx/api/templates/api/workflow_job_template_workflow_nodes_list.md

@@ -0,0 +1,14 @@
+# Workflow Job Template Workflow Node List
+
+Workflow nodes reference templates to execute and define the ordering
+in which to execute them. After a job ran as part of a workflow finishes
+the subsequent actions will be to.
+
+ - run nodes contained in "failure_nodes" or "always_nodes" if job failed
+ - run nodes contained in "success_nodes" or "always_nodes" if job succeeded
+
+The workflow will be marked as failed if any jobs ran as a part of the workflow
+fail and have the field `fail_on_job_failure` set to true. If not, the
+workflow job will be marked as successful.
+
+{% include "api/sub_list_create_api_view.md" %}