Add example to use EC2 instance managed draining #69

Job	Run time
Module max TF version	5s
Get root directories	6s
Max TF pre-commit (1.7.4)	2m 5s
Min TF validate (.)	15s
Min TF validate (./examples/complete-ecs)	22s
Min TF validate (./examples/easy/fargate)	23s
Min TF validate (./examples/easy/ec2-distinct)	17s
Min TF validate (./examples/easy/ec2-alb)	23s
Min TF validate (./examples/easy/fargate-alb)	29s
Min TF validate (./examples/easy/fargate-spot)	33s
Min TF validate (./examples/easy/ec2-managed-draining)	18s
Min TF validate (./examples/easy/ec2)	22s
Min TF validate (./modules/simple/fargate)	19s
Min TF validate (./modules/simple/fargate-spot)	17s
Min TF validate (./modules/simple/ec2)	16s
Min TF validate (./modules/autoscaling/ecs-scheduled)	16s
Min TF validate (./modules/autoscaling/alb-target-tracking/target-requests-count)	21s
Min TF validate (./modules/autoscaling/alb-target-tracking/target-response-time)	22s
Min TF validate (./modules/autoscaling/asg-target-tracking/ecs-reservation)	17s
Min TF validate (./modules/autoscaling/ecs-target-tracking/service-utilization)	25s
Min TF validate (./modules/core/ecs-autoscaling-target)	16s
Min TF validate (./modules/core/task)	20s
Min TF validate (./modules/core/service)	22s
Min TF validate (./modules/scheduled-actions)	19s
Min TF validate (./modules/iam/ecs-instance-profile)	20s
	9m 48s

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