chore: move the go code into a subfolder

apps/api/pkg/grpc/user/v2/user.go

@@ -0,0 +1,37 @@
+package user
+
+import "github.com/zitadel/zitadel/internal/domain"
+
+type UserType = isUser_Type
+
+func (s UserState) ToDomain() domain.UserState {
+	switch s {
+	case UserState_USER_STATE_UNSPECIFIED:
+		return domain.UserStateUnspecified
+	case UserState_USER_STATE_ACTIVE:
+		return domain.UserStateActive
+	case UserState_USER_STATE_INACTIVE:
+		return domain.UserStateInactive
+	case UserState_USER_STATE_DELETED:
+		return domain.UserStateDeleted
+	case UserState_USER_STATE_LOCKED:
+		return domain.UserStateLocked
+	case UserState_USER_STATE_INITIAL:
+		return domain.UserStateInitial
+	default:
+		return domain.UserStateUnspecified
+	}
+}
+
+func (t Type) ToDomain() domain.UserType {
+	switch t {
+	case Type_TYPE_UNSPECIFIED:
+		return domain.UserTypeUnspecified
+	case Type_TYPE_HUMAN:
+		return domain.UserTypeHuman
+	case Type_TYPE_MACHINE:
+		return domain.UserTypeMachine
+	default:
+		return domain.UserTypeUnspecified
+	}
+}