Add db.Session type

db/db.go

@@ -53,5 +53,6 @@ func Connect() *gorm.DB {
 	gormDB.AutoMigrate(&Transfer{})
 	gormDB.AutoMigrate(&User{})
 	gormDB.AutoMigrate(&Type{})
+	gormDB.AutoMigrate(&Session{})
 	return newUDB
 }

db/session.go

@@ -0,0 +1,10 @@
+package db
+
+import "time"
+
+type Session struct {
+	ID       string `gorm:"primaryKey"`
+	UserID   uint
+	User     *User
+	ExpireAt time.Time
+}