v1.1.0

Add slow_start parameter to target group @plenkl (#104)

what

• Exposes the parameter slow_start which controls how the load balancer scales in new targets as they become healthy.

why

• Some applications need time to warm up before they can start handling their full share of requests.

references

• https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-target-groups.html#slow-start-mode
• https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group#slow_start