Adds ALL to list selector in Local DNS Records and CNAME Records

Signed-off-by: yubiuser <ckoenig@posteo.de>

scripts/pi-hole/js/customdns.js

@@ -65,6 +65,10 @@ $(function () {
         }
       }
     ],
+  lengthMenu: [
+    [10, 25, 50, 100, -1],
+    [10, 25, 50, 100, "All"]
+  ],
     drawCallback: function () {
       $(".deleteCustomDNS").on("click", deleteCustomDNS);
     }