Issue #SB-0000 changes for subdomain for account merge

ansible/roles/stack-sunbird/templates/sunbird_learner-service.env

@@ -103,6 +103,6 @@ sunbird_user_cert_kafka_topic={{env_name}}.lms.user.account.merge
 # Release-2.3.0
 sunbird_reset_pass_msg={{sunbird_reset_pass_msg | d('You have requested to reset password. Click on the link to set a password: {0}')}}
 sunbird_fuzzy_search_threshold={{sunbird_fuzzy_search_threshold | d('0.5')}}
-sunbird_subdomain_keycloak_base_url={{sunbird_subdomain_keycloak_base_url | d('')}}
+sunbird_subdomain_keycloak_base_url={{sunbird_subdomain_keycloak_base_url | d('')}}/
 #Required by Learner-service to call cert service
 sunbird_cert_service_base_url=http://cert-service:9000