增加提取castile到游戏的数据库表，定义API接口等；

internal/model/nh_castile_token_model.go

@@ -0,0 +1,29 @@
+package model
+
+import "github.com/zeromicro/go-zero/core/stores/sqlx"
+
+var _ NhCastileTokenModel = (*customNhCastileTokenModel)(nil)
+
+type (
+	// NhCastileTokenModel is an interface to be customized, add more methods here,
+	// and implement the added methods in customNhCastileTokenModel.
+	NhCastileTokenModel interface {
+		nhCastileTokenModel
+		withSession(session sqlx.Session) NhCastileTokenModel
+	}
+
+	customNhCastileTokenModel struct {
+		*defaultNhCastileTokenModel
+	}
+)
+
+// NewNhCastileTokenModel returns a model for the database table.
+func NewNhCastileTokenModel(conn sqlx.SqlConn) NhCastileTokenModel {
+	return &customNhCastileTokenModel{
+		defaultNhCastileTokenModel: newNhCastileTokenModel(conn),
+	}
+}
+
+func (m *customNhCastileTokenModel) withSession(session sqlx.Session) NhCastileTokenModel {
+	return NewNhCastileTokenModel(sqlx.NewSqlConnFromSession(session))
+}