adding missing file

src/Model/Navigation/NaviEntryExternLink.php

@@ -0,0 +1,26 @@
+<?php
+
+/* 
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Model\Navigation;
+
+use Cake\Routing\Router;
+
+class NaviEntryExternLink extends NaviEntryAbsoluteLink {
+ 
+    protected function link() {
+        //global $self;
+        //echo "<i>self: </i>"; var_dump($GLOBALS("self"));
+        $self = $GLOBALS["self"];
+        
+          return '<a href="'.$this->link.'" class="' .$this->bgColorClass .'" target="_blank">'
+                  . '<span class="link-title">' . $this->title . '</span>'
+                  . '<i class="mdi '. $this->iconClass .' link-icon ' . $this->iconColor .'"></i>'
+                . '</a>';
+        
+    }    
+}