Some clarification of encompassing licensing.

* See https://spdx.org/licenses/ for GFDL

Applies to #177 and #296

Author: Martii

LICENSE

@@ -13,3 +13,16 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/gpl.txt>.
+
+
+---
+
+
+Copyright (C) 2013+ OpenUserJS Group (https://github.com/orgs/OpenUserJs/teams)
+
+Permission is granted to copy, distribute and/or modify documents
+under the terms of the GNU Free Documentation License, Version 1.3
+or any later version published by the Free Software Foundation;
+with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+A copy of the license is included in the section entitled "GNU
+Free Documentation License".

package.json

@@ -61,6 +61,10 @@
     {
       "type": "GPL-3.0+",
       "url": "https://raw.githubusercontent.com/OpenUserJs/OpenUserJS.org/master/LICENSE"
+    },
+    {
+      "type": "GFDL-1.3",
+      "url": "https://raw.githubusercontent.com/OpenUserJs/OpenUserJS.org/master/LICENSE"
     }
   ],
   "subdomain": "openuserjs",