Enable EBS encryption by default.

A lot of security benchmarks and guides recommend to use encryption for EBS volumes.
This setting enables encryption for all new EBS volumes by default even if you did not choose *Encrypted* when created it.

Author: mglotov

terraform/layer1-aws/.terraform.lock.hcl

@@ -0,0 +1,3 @@
+resource "aws_ebs_encryption_by_default" "this" {
+  enabled = true
+}