feat: implement new structure

backend/app/services/wallet.go

@@ -0,0 +1,18 @@
+package services
+
+import (
+	"context"
+
+	user_dto "quyun/v2/app/http/v1/dto"
+)
+
+// @provider
+type wallet struct{}
+
+func (s *wallet) GetWallet(ctx context.Context) (*user_dto.WalletResponse, error) {
+	return &user_dto.WalletResponse{}, nil
+}
+
+func (s *wallet) Recharge(ctx context.Context, form *user_dto.RechargeForm) (*user_dto.RechargeResponse, error) {
+	return &user_dto.RechargeResponse{}, nil
+}