add cloud info

CloudComputing_Lab/modules/ROOT/nav.adoc

@@ -4,3 +4,4 @@
 * xref:c.adoc[Hybrid2Cloud connect]
 * xref:d.adoc[Storage I]
 * xref:e.adoc[Storage II]
+* xref:f.adoc[Docker Swarm]

CloudComputing_Lab/modules/ROOT/pages/f.adoc

@@ -0,0 +1,23 @@
+
+=  External storage
+
+
+== Create
+
+http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/swarm-volumes-storage.adoc.html#_external_storage_system[Create Storage^]
+
+== Usage
+
+http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/swarm-volumes-minio-howto.adoc.html[Connect^]
+
+http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/swarm-volumes-storage-howto.adoc.html[Admin^]
+
+
+
+== Tasks 
+
+ Make sure you have enough practice in the following tasks:
+
+* Create Storage
+* Share Storage
+* Use it!