Add new GPL license rule #2124

Reported-by: Toniprni @Toniprni
Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

src/licensedcode/data/rules/gpl-3.0-plus_233.RULE

@@ -0,0 +1,13 @@
+This program 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 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, see
+<http://www.gnu.org/licenses>.

src/licensedcode/data/rules/gpl-3.0-plus_233.yml

@@ -0,0 +1,7 @@
+license_expression: gpl-3.0-plus
+is_license_notice: yes
+relevance: 100
+referenced_filenames:
+    - COPYING
+ignorable_urls:
+    - http://www.gnu.org/licenses