refactor, sketch SSE implementation

users/user.go

@@ -0,0 +1,21 @@
+package users
+
+import (
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+)
+
+type User struct {
+	gorm.Model
+	Username string `gorm:"unique"`
+	Password string
+}
+
+func Create(db *gorm.DB, username, password string) error {
+	hashedPassword, _ := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	user := User{Username: username, Password: string(hashedPassword)}
+	if err := db.Create(&user).Error; err != nil {
+		return err
+	}
+	return nil
+}