implement pool-group and group-user ownership routes,

fix issue with config var scoping,
fix missing return in early exit conditions

app/common/config.go

@@ -12,7 +12,8 @@ type LDAPConfig struct {
 }
 
 type PVEConfig struct {
-	URL string `json:"url"`
+	URL            string `json:"url"`
+	PAASClientRole string `json:"paas-client-role"`
 }
 
 type RealmConfig struct {