Add forgot password feature

app/Helper/App.php

@@ -12,6 +12,18 @@ use Kanboard\Core\Base;
  */
 class App extends Base
 {
+    /**
+     * Get config variable
+     *
+     * @access public
+     * @param  string $param
+     * @return mixed
+     */
+    public function config($param)
+    {
+        return $this->config->get($param);
+    }
+
     /**
      * Make sidebar menu active
      *