feat: add Role (owner|admin) to the user domain, persistence model and mapper

internal/infrastructure/persistence/models/userModel.go

@@ -12,6 +12,7 @@ type User struct {
 	Email                   string  `gorm:"unique;not null"`
 	DisplayName             string  `gorm:"not null;default:''"`
 	IsVerified              bool    `gorm:"default=false;not null"`
+	Role                    string  `gorm:"not null;default:''"`
 	VerificationCode        *string `gorm:"unique"`
 	VerificationExpiration  time.Time
 	PasswordResetExpiration time.Time