Document usage of workflow job template nodes with approvals

Fixes #8777

awx_collection/plugins/modules/tower_workflow_job_template_node.py

@@ -174,6 +174,54 @@ EXAMPLES = '''
     organization: Default
     success_nodes:
       - my-first-node
+
+- name: Create workflow with 2 Job Templates and an approval node in between
+  block:
+  - name: Create a workflow job template
+    tower_workflow_job_template:
+      name: my-workflow-job-template
+      ask_scm_branch_on_launch: true
+      organization: Default
+
+  - name: Create 1st node
+    tower_workflow_job_template_node:
+      identifier: my-first-node
+      workflow_job_template: my-workflow-job-template
+      unified_job_template: some_job_template
+      organization: Default
+
+  - name: Create 2nd approval node
+    tower_workflow_job_template_node:
+      identifier: my-second-approval-node
+      workflow_job_template: my-workflow-job-template
+      organization: Default
+      approval_node:
+        description: "Do this?"
+        name: my-second-approval-node
+        timeout: 3600
+
+  - name: Create 3rd node
+    tower_workflow_job_template_node:
+      identifier: my-third-node
+      workflow_job_template: my-workflow-job-template
+      unified_job_template: some_other_job_template
+      organization: Default
+
+  - name: Link 1st node to 2nd Approval node
+    tower_workflow_job_template_node:
+      identifier: my-first-node
+      workflow_job_template: my-workflow-job-template
+      organization: Default
+      success_nodes:
+        - my-second-approval-node
+
+  - name: Link 2nd Approval Node 3rd node
+    tower_workflow_job_template_node:
+      identifier: my-second-approval-node
+      workflow_job_template: my-workflow-job-template
+      organization: Default
+      success_nodes:
+        - my-third-node
 '''
 
 from ..module_utils.tower_api import TowerAPIModule