cs_router: fix missing doc (#37107)

* cs_router: fix missing doc

* update ignore.txt

(partly cherry picked from commit e1297af18a)

lib/ansible/modules/cloud/cloudstack/cs_router.py

@@ -70,6 +70,11 @@ options:
     required: false
     default: 'present'
     choices: [ 'present', 'absent', 'started', 'stopped', 'restarted' ]
+  poll_async:
+    description:
+      - Poll async jobs until job has finished.
+    default: yes
+    type: bool
 extends_documentation_fragment: cloudstack
 '''
 

test/sanity/validate-modules/ignore.txt

@@ -63,7 +63,6 @@ lib/ansible/modules/cloud/cloudstack/cs_loadbalancer_rule.py E322
 lib/ansible/modules/cloud/cloudstack/cs_loadbalancer_rule_member.py E322
 lib/ansible/modules/cloud/cloudstack/cs_network_offering.py E322
 lib/ansible/modules/cloud/cloudstack/cs_project.py E322
-lib/ansible/modules/cloud/cloudstack/cs_router.py E322
 lib/ansible/modules/cloud/cloudstack/cs_service_offering.py E322
 lib/ansible/modules/cloud/cloudstack/cs_service_offering.py E323
 lib/ansible/modules/cloud/cloudstack/cs_storage_pool.py E322