Added license

main.js

@@ -1,3 +1,24 @@
+/* ----------------------------------------------------------------------------    
+
+ Online Moodle/Elearning/KMOOC test help
+ Greasyfork: <https://greasyfork.org/en/scripts/38999-moodle-elearning-kmooc-test-help>
+ GitLab: <https://gitlab.com/YourFriendlyNeighborhoodDealer/moodle-test-userscript>
+
+ 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. If not, see <https://www.gnu.org/licenses/>.
+
+ ------------------------------------------------------------------------- */
+
 var data; // all data, which is in the resource txt
 var addEventListener; // add event listener function
 var lastChangeLog =