move topics to be defined under events.subscriber

internal/config/config.go

@@ -29,10 +29,16 @@ var AppConfig struct {
 // EventsConfig defines the configuration setting up both subscriptions and publishing
 type EventsConfig struct {
 	Publisher  events.PublisherConfig
-	Subscriber events.SubscriberConfig
+	Subscriber SubscriberConfig
 }
 
 // OIDCClientConfig defines the configuration for OIDC Client Credentials.
 type OIDCClientConfig struct {
 	Client oauth2x.Config
 }
+
+// SubscriberConfig extends events SubscriberConfig by adding topics.
+type SubscriberConfig struct {
+	events.SubscriberConfig `mapstructure:",squash"`
+	Topics                  []string
+}