docs: add until example to k8s_info (#885)

I would liked to have an example like this when I was using the
documentation.

docs/kubernetes.core.k8s_info_module.rst

@@ -701,6 +701,21 @@ Examples
         wait_sleep: 10
         wait_timeout: 360
 
+    - name: Wait for OpenShift bootstrap to complete
+      kubernetes.core.k8s_info:
+        api_version: v1
+        kind: ConfigMap
+        name: bootstrap
+        namespace: kube-system
+      register: ocp_bootstrap_status
+      until: >
+        ocp_bootstrap_status.resources is defined and
+        (ocp_bootstrap_status.resources | length > 0) and
+        (ocp_bootstrap_status.resources[0].data.status is defined) and
+        (ocp_bootstrap_status.resources[0].data.status == 'complete')
+      retries: 60
+      delay: 15
+
 
 
 Return Values

plugins/modules/k8s_info.py

@@ -120,6 +120,21 @@ EXAMPLES = r"""
     namespace: default
     wait_sleep: 10
     wait_timeout: 360
+
+- name: Wait for OpenShift bootstrap to complete
+  kubernetes.core.k8s_info:
+    api_version: v1
+    kind: ConfigMap
+    name: bootstrap
+    namespace: kube-system
+  register: ocp_bootstrap_status
+  until: >
+    ocp_bootstrap_status.resources is defined and
+    (ocp_bootstrap_status.resources | length > 0) and
+    (ocp_bootstrap_status.resources[0].data.status is defined) and
+    (ocp_bootstrap_status.resources[0].data.status == 'complete')
+  retries: 60
+  delay: 15
 """
 
 RETURN = r"""