* docs: update AWS examples. Disntinguish between alb and alb listener datasource
* more hcl highlighting
* more hcl
* fix missing end quote in docs
* docs: finish updates to AWS data source highlights
Also updates layout to distinguish some resources
* Add a new data provider to decrypt AWS KMS secrets
* Address feedback
* Rename aws_kms_secrets to aws_kms_secret
* Add more examples to the documentation