user , role and loginCode tables added to database

database/db.go

@@ -59,6 +59,18 @@ func Create_tables()error{
 	if err != nil {
 		return err
 	}
+	err = db.AutoMigrate(&models.User{})
+	if err != nil {
+		return err
+	}
+	err = db.AutoMigrate(&models.Role{})
+	if err != nil {
+		return err
+	}
+	err = db.AutoMigrate(&models.LoginCode{})
+	if err != nil {
+		return err
+	}
 
 	return nil
 }