Fix link to docs so it doesn't 404 when published on terraform regist…

…ry page (terraform-aws-modules#507)

README.md

@@ -48,9 +48,9 @@ module "my-cluster" {
 
 ## Other documentation
 
-- [Autoscaling](docs/autoscaling.md): How to enable worker node autoscaling.
-- [Enable Docker Bridge Network](docs/enable-docker-bridge-network.md): How to enable the docker bridge network when using the EKS-optimized AMI, which disables it by default.
-- [Spot instances](docs/spot-instances.md): How to use spot instances with this module.
+* [Autoscaling](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/autoscaling.md): How to enable worker node autoscaling.
+* [Enable Docker Bridge Network](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/enable-docker-bridge-network.md): How to enable the docker bridge network when using the EKS-optimized AMI, which disables it by default.
+* [Spot instances](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/spot-instances.md): How to use spot instances with this module.
 
 ## Release schedule