feat: improvements in structures

domain/entity/user_fixture.go

@@ -0,0 +1,16 @@
+package entity
+
+import (
+	"time"
+)
+
+func NewFixtureUser() *User {
+	return &User{
+		ID:        NewID(),
+		Email:     "[email protected]",
+		Password:  "123456",
+		FirstName: "Ozzy",
+		LastName:  "Osbourne",
+		CreatedAt: time.Now(),
+	}
+}