add webfinger to Makefile, add missing default config

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

services/webfinger/pkg/config/defaults/defaultconfig.go

@@ -34,6 +34,7 @@ func DefaultConfig() *config.Config {
 			Name: "webfinger",
 		},
 
+		OcisURL:   "https://localhost:9200",
 		Relations: []string{relations.OpenIDConnectRel, relations.OwnCloudInstanceRel},
 		Instances: []config.Instance{
 			{