Add info to readme.md file

README.md

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 Package for sandbox orchestration script functions
 
+## Overview
+The orchestration package should bring an out of the box solution for our customer’s common use cases:
+-	Setting up the sandbox upon reservation
+-	Tearing down a sandbox
+-	Save a snapshot of a sandbox
+
+### Setup
+During the setup process the script will iterate over the resources and prepare them for the reservation.
+-	For each networking device:
+    -	Perform health check
+    -	Load firmware
+    -	Load configuration
+    -	Re-run health check
+-	VMs (when represented by Apps Deployment)
+    -	Deploy apps
+    -	Power on VM
+-	Activate all routes and connectors
+
+### Teardown
+During the teardown process the script will wipe the configuration from the networking devices and delete VMs bringing them back into “ready for use” state.
+-	For each networking device:
+    -	Perform health check
+    -	Load firmware
+    -	Load configuration
+    -	Re-run health check
+-	VMs
+    -	Delete/Power off VM
+-	Disconnect routes and connectors
+
+### Snapshot
+The user can save a snapshot of the sandbox. In the background, the script will save the sandbox as a new blueprint, and the current configuration of the devices and VMs will be saved for future use.
+-	Save the sandbox as a blueprint
+-	Save all the configuration files of the devices on the storage server (e.g. FTP server)