Added Slovenian translations (#39)

Co-authored-by: Ben Thomson <ben@abweb.com.au>

Author: markoKodric

lang/sl/lang.php

@@ -0,0 +1,8 @@
+<?php return [
+    'plugin' => [
+        'name'                   => 'Debugbar',
+        'description'            => 'Integracija PHP Debugbar knjižnice z October CMS.',
+        'access_debugbar'        => 'Dostop do razhroščevalne vrstice',
+        'access_stored_requests' => 'Dostop do shranjenih zahtev (nevarno)',
+    ],
+];