Added: Added standard bc extension copyright notice file

COPYRIGHT.md

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+Copyright © 1999 - 2019, Brookins Consulting (United States of America). All rights reserved.
+
+    This file is part of BC Generate Static Cache.
+
+    BC Generate Static Cache is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    BC Generate Static Cache 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with BC Generate Static Cache in LICENSE. If not, see <http://www.gnu.org/licenses/>.