reformat copyright

uitwww/templates/pages/index.html

 {# Source code of the Ubuntu-it website
-# Copyright (C) 2015 Pietro Albini
-<pietroalbini@ubuntu.com>
-# Copyright (C) 2021 Alessandro Viprati
-<vipri.alessandro@gmail.com>
+# Copyright (C) 2015 Pietro Albini <pietroalbini@ubuntu.com>
+# Copyright (C) 2021 Alessandro Viprati <vipri.alessandro@gmail.com>
 # Copyright (C) 2023 shadMod
 #
 # This program is free software: you can redistribute it and/or modify
@@ -16,8 +14,7 @@
 # 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
-<http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #}
 
 {% extends "layout.html" %}