chore: move the go code into a subfolder

apps/api/internal/domain/factors.go

@@ -0,0 +1,44 @@
+package domain
+
+type SecondFactorType int32
+
+const (
+	SecondFactorTypeUnspecified SecondFactorType = iota
+	SecondFactorTypeTOTP
+	SecondFactorTypeU2F
+	SecondFactorTypeOTPEmail
+	SecondFactorTypeOTPSMS
+
+	secondFactorCount
+)
+
+type MultiFactorType int32
+
+const (
+	MultiFactorTypeUnspecified MultiFactorType = iota
+	MultiFactorTypeU2FWithPIN
+
+	multiFactorCount
+)
+
+type FactorState int32
+
+const (
+	FactorStateUnspecified FactorState = iota
+	FactorStateActive
+	FactorStateRemoved
+
+	factorStateCount
+)
+
+func (f SecondFactorType) Valid() bool {
+	return f > 0 && f < secondFactorCount
+}
+
+func (f MultiFactorType) Valid() bool {
+	return f > 0 && f < multiFactorCount
+}
+
+func (f FactorState) Valid() bool {
+	return f >= 0 && f < factorStateCount
+}