sif: Import cards from csv file

This way is more easy

Signed-off-by: Yuan Si <do4suki@gmail.com>

model/llhelper.go

@@ -1,29 +0,0 @@
-package model
-
-// Data ...
-type Data struct {
-	Version   int    `json:"version"`
-	Team      []Team `json:"team"`
-	Gemstock  any    `json:"gemstock"`
-	Submember []any  `json:"submember"`
-}
-
-// Accessory ...
-type Accessory struct {
-	ID    string `json:"id"`
-	Level int    `json:"level"`
-}
-
-// Team ...
-type Team struct {
-	Hp         int       `json:"hp"`
-	Smile      int       `json:"smile"`
-	Pure       int       `json:"pure"`
-	Cool       int       `json:"cool"`
-	Skilllevel int       `json:"skilllevel"`
-	Gemlist    []string  `json:"gemlist"`
-	Cardid     int       `json:"cardid"`
-	Mezame     int       `json:"mezame"`
-	Maxcost    int       `json:"maxcost"`
-	Accessory  Accessory `json:"accessory,omitempty"`
-}