Adds work to start microshift storage

Author: Steven Smith

_topic_maps/_topic_map_ms.yml

@@ -115,6 +115,17 @@ Distros: microshift
 Topics:
 - Name: Understanding networking
   File: microshift-networking
+Name: Storage
+Dir: microshift_storage
+Distros: microshift
+Topics:
+- Name: MicroShift overview
+  File: index
+# ---
+# Name: Networking
+# Dir: networking
+# Distros: microshift
+# Topics:
 # - Name: Understanding the Ingress Operator
 #   File: ingress-operator-microshift
 # - Name: Configuring a cluster-wide proxy during installation