MinIO kubectl minio initial commit

Minor fixups after testing locally

Additional refinement

Nitish fixups

Fixups for storageClassName

Ritesh feedback Round 2

source/includes/facts-kubectl-plugin.rst

@@ -0,0 +1,20 @@
+.. default-domain:: minio
+
+.. start-kubectl-minio-requires-operator-desc
+
+.. admonition:: Command Requires MinIO Operator
+   :class: note
+
+   Use the following command to validate that the operator
+   is online and available prior to running this command:
+
+   .. code-block:: shell
+      :class: copyable
+
+      kubectl get deployments -A --field-selector metadata.name=minio-operator
+
+   Issue the :mc-cmd:`kubectl minio init` command to initiate the operator
+   if it is not already running in the Kubernetes cluster.
+
+
+.. end-kubectl-minio-requires-operator-desc