Add the option to deploy osctrl using terraform

[javuto]

Overview

The utility provision.sh allows to deploy all components of osctrl in a standalone linux system. It would be useful to expand that to cloud providers and deploy using terraform.
First just in EC2, same as a standard deployment but further improvements could be deploy each component separately, for example if using AWS:

• osctrl-tls, osctrl-admin and osctrl-api -> lambda functions.
• osctrl-db -> RDS
• osctrl-nginx -> EBS/ABS