[+] create branch mika

storage/postgresql/schema.hcl

@@ -49,4 +49,6 @@ table "groups" {
   }
 }
 schema "groups_management" {
+}
+schema "public" {
 }

storage/storage.go

@@ -30,6 +30,9 @@ func NewStorage(cfg *viper.Viper) (Storage, error) {
 	case "mongodb":
 		s, err := NewMongoDBStorage(cfg)
 		return s, err
+	case "psql":
+		s, err := NewPostgresqlStorage(cfg)
+		return s, err
 	default:
 		return nil, fmt.Errorf("storage type %v is not supported", storage_type)
 	}