add redshift

Author: Matt Calhoun

_data/library.yml

@@ -396,8 +396,8 @@
   subscriber_url: "https://github.com/gruntwork-io/module-data-storage"
   type: Subscriber-Only
   description: |
-    Run MySQL, Postgres, MariaDB, or Amazon Aurora on Amazon’s Relational Database Service (RDS). Creates the database,
-    sets up replicas, configures multi-zone automatic failover and automatic backup.
+    Run MySQL, Postgres, MariaDB, or Amazon Aurora on Amazon’s Relational Database Service (RDS) or Amazon Redshift. 
+    Creates the database, sets up replicas, configures multi-zone automatic failover and automatic backup.
   submodules:
     - name: rds
       blurb: deploy RDS for MySQL, PostgreSQL, Oracle, etc