chore: Add GitHub Settings (#31)

Author: osterman

.github/settings.yml

@@ -0,0 +1,7 @@
+# Upstream changes from _extends are only recognized when modifications are made to this file in the default branch.
+_extends: .github
+repository:
+  name: terraform-aws-ecs-cloudwatch-autoscaling
+  description: Terraform module to autoscale ECS Service based on CloudWatch metrics
+  homepage: https://cloudposse.com/accelerate
+  topics: autoscaling, autoscaler, autoscale, ecs, ecs-cluster, ecs-service, cloudwatch, hcl2