archwiki: Remind LocalSettings.php variables

roles/archwiki/templates/LocalSettings.php.j2

@@ -15,6 +15,20 @@ if ( !defined( 'MEDIAWIKI' ) ) {
 	exit;
 }
 
+##
+## LocalSettings.php
+##
+
+#$wgDBname     = "XXX";
+#$wgDBuser     = "XXX";
+#$wgDBpassword = "XXX";
+#$wgSecretKey  = "XXX";
+#$wgUpgradeKey = "XXX";
+#require_once( "$IP/extensions/FunnyQuestion/FunnyQuestion.php" );
+#$wgFunnyQuestionHash = "XXX";
+#$wgFunnyQuestions = array();
+
+
 ##
 ## General settings
 ##