Updated readme.md and example references

Author: RohitSquareops

README.md

@@ -52,6 +52,7 @@ module "redis" {
   cloudwatch_metric_alarms_enabled = true  # For enabling basic alerting
   alarm_cpu_threshold_percent      = 70
   alarm_memory_threshold_bytes     = "10000000" # in bytes
+  slack_notification_enabled       = true
   slack_username                   = "john"
   slack_channel                    = "redis-alerts"
   slack_webhook_url                = "https://hooks.slack.com/services/xxxxxxxxx"

examples/complete-cluster-mode/main.tf

@@ -114,10 +114,10 @@ module "redis" {
   snapshot_window                      = "07:00-08:00"
   maintenance_window                   = "sun:09:00-sun:10:00"
   allowed_security_groups              = local.allowed_security_groups
-  cloudwatch_metric_alarms_enabled     = false
+  cloudwatch_metric_alarms_enabled     = true
   alarm_cpu_threshold_percent          = 70
   alarm_memory_threshold_bytes         = "10000000" # in bytes
-  slack_notification_enabled           = false
+  slack_notification_enabled           = true
   slack_username                       = ""
   slack_channel                        = ""
   slack_webhook_url                    = ""

examples/complete/main.tf

@@ -111,10 +111,10 @@ module "redis" {
   snapshot_window                  = "07:00-08:00"
   maintenance_window               = "sun:09:00-sun:10:00"
   allowed_security_groups          = local.allowed_security_groups
-  cloudwatch_metric_alarms_enabled = false
+  cloudwatch_metric_alarms_enabled = true
   alarm_cpu_threshold_percent      = 70
   alarm_memory_threshold_bytes     = "10000000" # in bytes
-  slack_notification_enabled       = false
+  slack_notification_enabled       = true
   slack_username                   = ""
   slack_channel                    = ""
   slack_webhook_url                = ""