Initial commit with readme and schema

Signed-off-by: Kristián Feldsam <feldsam@gmail.com>

README.md

+# OpenNebula Backup Tool for 3PAR storage driver
+
+## Description
+
+Purpose of this script is to backup OpenNebula datastores of type 3PAR.
+This script have to run on dedicated backup server.
+
+It backups:
+- non-persistent base images - those which are used to deploy non-persistent VMs
+- persistent images with live snapshoting support
+    - when image is attached to VM them live snapshot is created
+    - them image is exported to backup server over Fiber-Channel and backuped using BorgBackup
+    - at the end snapshot is deleted
+- system datastores with deployments files - without VM images, which are non-persistent ones
+
+## How it works
+
+![Flow diagram](https://gitlab.feldhost.cz/feldhost-public/one-addon-backup-3par/raw/master/images/how-it-works.svg) 
+
+## Development
+
+To contribute bug patches or new features, you can use the github Pull Request model. It is assumed that code and documentation are contributed under the Apache License 2.0.
+
+More info:
+
+* [How to Contribute](http://opennebula.org/addons/contribute/)
+* Support: [OpenNebula user forum](https://forum.opennebula.org/c/support)
+* Development: [OpenNebula developers forum](https://forum.opennebula.org/c/development)
+* Issues Tracking: [Gitlab issues](https://gitlab.feldhost.cz/feldhost-public/one-addon-backup-3par/issues)
+
+## Authors
+
+* Leader: Kristian Feldsam (feldsam@feldhost.net)
+
+## Support
+
+[FeldHost™ as OpenNebula Systems Service Partner](https://www.feldhost.net/products/opennebula) offers design, implementation, operation and management of a cloud solution based on OpenNebula.
+