Adds DR card to reliability page (#63)

Author: sarahsimpers

source/disaster-recovery.txt

@@ -49,7 +49,7 @@ Proactive Configuration Recommendations
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Use the following proactive configuration recommendations to configure your
-{+service+} deployments and backups to expediate recovery from disasters.
+{+service+} deployments and backups to expedite recovery from disasters.
 
 Members of the Same Replica Sets Should Not Share Resources
 ```````````````````````````````````````````````````````````

source/reliability.txt

@@ -43,8 +43,15 @@ in {+service+}:
 
       Configure database backup options in |service| and get recommendations
       to meet your :abbr:`RTO (Recovery Time Objective)` and
-      :abbr:`RPO (Recovery Point Objective)` requirements with consistent,
-      cluster-wide snapshots of all {+clusters+}.
+      :abbr:`RPO (Recovery Point Objective)` requirements with cluster-wide snapshots.
+
+   .. card::
+      :headline: Disaster Recovery
+      :url: https://mongodb.com/docs/atlas/architecture/disaster-recovery/
+      :icon: cloud_disaster_recovery
+      :icon-alt: MongoDB cloud disaster recovery icon
+
+      Get configuration recommendations to expedite recovery from disasters. Create a :abbr:`DR (Disaster Recovery)` plan with steps to take if you experience an outage, deletion of prod data, and more.
 
 .. toctree::
    :titlesonly: