chore: move the go code into a subfolder

apps/api/internal/domain/machine.go

@@ -0,0 +1,24 @@
+package domain
+
+import "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+
+type Machine struct {
+	models.ObjectRoot
+
+	Username    string
+	State       UserState
+	Name        string
+	Description string
+}
+
+func (m Machine) GetUsername() string {
+	return m.Username
+}
+
+func (m Machine) GetState() UserState {
+	return m.State
+}
+
+func (sa *Machine) IsValid() bool {
+	return sa.Name != "" && sa.Username != ""
+}