Overhaul [1/n]

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/model/user/userdeck.go

@@ -0,0 +1,14 @@
+package user
+
+type UserDeck struct {
+	ID         int    `xorm:"id pk autoincr"`
+	DeckID     int    `xorm:"deck_id"`
+	DeckName   string `xorm:"deck_name"`
+	MainFlag   int    `xorm:"main_flag"`
+	UserID     int    `xorm:"user_id"`
+	InsertDate int64  `xorm:"insert_date"`
+}
+
+func (u *UserDeck) TableName() string {
+	return "user_deck"
+}