Add main license

(References: #2)

LICENSE.MD

@@ -0,0 +1,27 @@
+Copyright (C) 2016-present Prominic.NET, Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the Server Side Public License, version 1,
+as published by MongoDB, Inc.
+
+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
+Server Side Public License for more details.
+
+You should have received a copy of the Server Side Public License
+along with this program. If not, see
+
+http://www.mongodb.com/licensing/server-side-public-license
+
+As a special exception, the copyright holders give permission to link the
+code of portions of this program with the OpenSSL library under certain
+conditions as described in each individual source file and distribute
+linked combinations including the program with the OpenSSL library. You
+must comply with the Server Side Public License in all respects for
+all of the code used other than as permitted herein. If you modify file(s)
+with this exception, you may extend this exception to your version of the
+file(s), but you are not obligated to do so. If you do not wish to do so,
+delete this exception statement from your version. If you delete this
+exception statement from all source files in the program, then also delete
+it in the license file.