Adds error checking for feature gates (#98)

Signed-off-by: Mikalai Radchuk <mradchuk@redhat.com>

pkg/features/features.go

@@ -1,6 +1,7 @@
 package features
 
 import (
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/component-base/featuregate"
 )
 
@@ -17,5 +18,5 @@ var catalogdFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
 var CatalogdFeatureGate featuregate.MutableFeatureGate = featuregate.NewFeatureGate()
 
 func init() {
-	CatalogdFeatureGate.Add(catalogdFeatureGates)
+	utilruntime.Must(CatalogdFeatureGate.Add(catalogdFeatureGates))
 }