Update settings.php

settings.php

@@ -48,12 +48,16 @@
                 <select name="theme">
                 <?php
                     $themes = "<option value=\"dark\">Dark</option>
+                    <option value=\"darker\">Darker</option>
                     <option value=\"amoled\">AMOLED</option>
                     <option value=\"light\">Light</option>
                     <option value=\"auto\">Auto</option>
                     <option value=\"nord\">Nord</option>
                     <option value=\"night_owl\">Night Owl</option>
                     <option value=\"discord\">Discord</option>
+                    <option value=\"google\">Google Dark</option>
+                    <option value=\"startpage\">Startpage Dark</option>
+                    <option value=\"gruvbox\">Gruvbox</option>
                     <option value=\"github_night\">GitHub Night</option>";
 
                     if (isset($_COOKIE["theme"]))