(DOCSP-50580) Add prereqs for cert manager integration (#2205)

Author: jromo-mdb

source/tutorial/cert-manager-integration.txt

@@ -17,6 +17,27 @@ the management of security certificates for Kubernetes. The following
 procedure describes how to configure ``cert-manager`` to generate
 certificates for MongoDB Kubernetes Operator resources.
 
+Prerequisites
+-------------
+
+.. tabs::
+
+   .. tab:: TLS-Encrypted Connections
+      :tabid: encrypted
+
+      .. include:: /includes/prereqs-deploy-resource.rst
+
+      .. include:: /includes/prereqs/custom-ca-prereqs-rs-tls-only.rst
+
+   .. tab:: Non-Encrypted Connections
+      :tabid: non-encrypted
+
+      .. |deployment| replace:: replica set
+
+      .. include:: /includes/prereqs-deploy-resource.rst
+
+.. _tls-for-replica-set:
+
 Procedure
 ---------