Merge pull request #1519 from eeff/eeff/dev

feat: add virtual license sql schema

persistence/0050_2.6.0_virtual_license.sql

@@ -0,0 +1,24 @@
+/**
+* NEURON IIoT System for Industry 4.0
+* Copyright (C) 2020-2023 EMQ Technologies Co., Ltd All rights reserved.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**/
+BEGIN;
+
+CREATE TABLE
+  IF NOT EXISTS virtual_license (license TEXT NOT NULL);
+
+COMMIT;