chore: move the go code into a subfolder

apps/api/internal/user/model/external_idp.go

@@ -0,0 +1,17 @@
+package model
+
+import (
+	es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+)
+
+type ExternalIDP struct {
+	es_models.ObjectRoot
+
+	IDPConfigID string
+	UserID      string
+	DisplayName string
+}
+
+func (idp *ExternalIDP) IsValid() bool {
+	return idp.AggregateID != "" && idp.IDPConfigID != "" && idp.UserID != ""
+}