Create Non-ECS ASG to Test EC2 Mirroring

[chelma]

Descriptions

This task is a follow-up to (#38). Specifically, it's to add a non-ECS EC2 Autoscaling Group to our demo traffic stack that runs our traffic generating script so we can better test the EC2 use-case.

Acceptance Criteria

• Able to easily add/remove EC2 instances running our traffic generation script in the Demo VPCs to test mirroring