register metrics on init to prometheus registry (#12)

* added monitoring-stack,prometheus rule,metrics service and servicemonitor CR objects

* default info and 5d

* added back Makefile for yaml to bundle image

* changed path from config/deploy to config/olm

* register metrics to global

* alertmanagerconfig

* removed namespace

* rename names

* moved config files for metrics,mso to mt-bundles for now

cmd/reference-addon-manager/main.go

@@ -26,6 +26,9 @@ var (
 func init() {
 	_ = clientgoscheme.AddToScheme(scheme)
 	_ = refapis.AddToScheme(scheme)
+
+	// Register metrics with the global Prometheus registry
+	metrics.RegisterMetrics()
 }
 
 func main() {
@@ -105,8 +108,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	// register and fill metrics
-	metrics.RegisterMetrics()
+	// add sample metrics
 	metrics.RequestSampleResponseData()
 
 	setupLog.Info("starting manager")