新增MA90热敏打印机，格式调整

CPF_Cef/Devices/PrintPJ.cs

@@ -102,7 +102,7 @@ namespace AksWebBrowser.Devices
                 LibPrint.SetCommandmode(10);
                 LibPrint.SetAlignment(1);
                 LibPrint.SetLeftmargin(-40);
-                LibPrint.PrintQrcode(Encoding.GetEncoding("gb2312").GetBytes(qrcode), 0, 8, 1);
+                LibPrint.PrintQrcode(Encoding.GetEncoding("gb2312").GetBytes(qrcode), 25, 8, 1);
                 LibPrint.PrintRemainQR();
                 LibPrint.PrintFeedDot(80);