CODEOWNERS- Add @drfaust92 as services maintainer (#14051)
CODEOWNERS- Add @drfaust92 as services maintainer (#14051)

* Update CODEOWNERS

* add docs

* update list of services to maintain

to include sageamker, glue, codeartifact and storagegateway
terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws,terraform-providers/terraform-provider-aws