added cassandra validation and maintenance playbooks

repository-mapping-name-folder.yml

diff --git a/repository-mapping-name-folder.yml b/repository-mapping-name-folder.yml
index aa57c90..a2cb01e 100755
--- a/repository-mapping-name-folder.yml
+++ b/repository-mapping-name-folder.yml
@@ -17,7 +17,7 @@
 #- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-installation-two-regions }
 #- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-aws-management }
 - { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-backup }
-#- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-cassandra-validation }
+- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-cassandra-validation }
 #- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-expand-region }
 #- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-opdk-upgrade }
 #- { workspace: '{{ playbook_workspace }}', repo_name: apigee-opdk-playbook-maintenance-postgres-add-remove }