Update qdated for server migration

site/plugins/qdated/index.php

@@ -7,7 +7,7 @@ Kirby::plugin('lukasbestle/qdated', [
     'tags' => [
         'qdated' => [
             'html' => function($tag) {
-                $qdated = qdated();
+                $qdated = qdated($tag->qdated);
                 return '<a href="mailto:' . $qdated . '">' . $qdated . '</a>';
             }
         ]
@@ -18,10 +18,11 @@ Kirby::plugin('lukasbestle/qdated', [
  * Returns the current qdated address
  * If qdated is not available, returns null
  *
+ * @param string $destination
  * @return string
  */
-function qdated() {
-    $path = $_SERVER['HOME'] . DS . '.qdated-current';
+function qdated(string $destination) {
+    $path = $_SERVER['HOME'] . '/.config/qdated/' . $destination . '/current';
     if(!is_file($path)) return null;
 
     return 'dated-' . trim(F::read($path)) . '@' . Url::host();