[gimp-web] content: our Javascript code should also have licenses!

[Jehan <jehanp src gnome org>]

commit 0b3e157a5e4bdf1edf35c6a45e64c3cda674ac41
Author: Jehan <jehan girinstud io>
Date:   Fri Oct 14 01:30:25 2022 +0200

    content: our Javascript code should also have licenses!

 content/js/mastodon.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/content/js/mastodon.js b/content/js/mastodon.js
index 21aef32d..0df273af 100644
--- a/content/js/mastodon.js
+++ b/content/js/mastodon.js
@@ -1,3 +1,19 @@
+/*  gimp-web: GIMP official website
+ *  Copyright (C) 2022 Jehan
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
 "use strict";
 
 function onMastodonLinkClick(title, link) {