add cloud info

CloudComputing_Lab/modules/ROOT/pages/e.adoc

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 =  External storage
 
+*MinIO* is a High Performance Object Storage released under GNU Affero General Public License v3.0. It is *API compatible with Amazon S3* cloud storage service. It can handle unstructured data such as photos, videos, log files, backups, and container images with (currently) the *maximum supported object size of 5TB.*
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+image:./scalability.svg[alt="scale"]
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+image:http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/scalability.svg[]
 
 == Create
 
 http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/swarm-volumes-storage.adoc.html#_external_storage_system[Create Storage^]
 
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 == Usage
 
 http://docs.swarmlab.io/SwarmLab-HowTos/labs/cloud/swarm-volumes-minio-howto.adoc.html[Connect^]