Features
- Added an option to add custom policy documents for an EC2 role
- Added an option to add custom policy documents for an ECS task role
- Added minimum permissions for an ECS task execution role
- Changed the 'ec2_sg_id' input parameter to the 'ec2_sg_ids' to have an option to provide a list of security groups for an EC2 instance
- Expanded EC2 instance deploying timeout to 25 minutes for spot usage class to have more chances to request an instance