chore: add basic lang string for english

Author: iwa

resources/lang/en/model_validation.php

@@ -135,6 +135,7 @@
         'invalid_characters' => 'This :attribute contains invalid characters.',
         'used' => 'This :attribute choice is already used.',
         'word_not_allowed' => 'This :attribute choice is not allowed.',
+        'cooldown' => 'This :attribute can only be changed once every 7 days. You can change it in :days days.',
 
         'attributes' => [
             'default_ruleset_id' => 'Default ruleset',

resources/lang/en/teams.php

@@ -67,6 +67,8 @@
             'flag_help' => 'Maximum size of :width×:height',
             'header_help' => 'Maximum size of :width×:height',
             'title' => 'Team Settings',
+            'rename_cooldown' => 'You can change the team\'s name and tag once every 7 days',
+            'rename_cooldown_active' => 'You can change the team\'s name and tag once every 7 days. :days days remaining.',
 
             'application_state' => [
                 'state_0' => 'Closed',