Add license

LICENSE

@@ -0,0 +1,17 @@
+Copyright (c) 2019 - 2020, EnterpriseDB Corporation
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose, without fee, and without a written agreement is
+hereby granted, provided that the above copyright notice and this paragraph and
+the following two paragraphs appear in all copies.
+
+IN NO EVENT SHALL EnterpriseDB Corporation BE LIABLE TO ANY PARTY FOR DIRECT, 
+INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST 
+PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
+EnterpriseDB Corporation HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+EnterpriseDB Corporation SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT 
+NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 
+PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND
+EnterpriseDB Corporation HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, 
+UPDATES, ENHANCEMENTS, OR MODIFICATIONS.