added notes page

Model/NotesModel.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace ppa\Model;
+use ppa\Model\ParticipantModel;
+
+class NotesModel extends Database
+{
+    public function selectNotes()
+    {
+        $sortBy = 'updated_at';
+        $sortOrder = 'DESC';
+
+        $sql = "SELECT id, title, content, created_at, updated_at 
+                    FROM notes 
+                    WHERE user_id = 2 
+                    ORDER BY updated_at DESC";
+
+        $pdo = $this->linkDB();
+
+        try {
+            $res = $pdo->query($sql);
+        } catch (\PDOException $e) {
+            new \ppa\Library\ErrorMsg("Ihre Anfrage konnte nicht verarbeitet werden", $e); 
+            die;
+        }
+
+        return $res->fetchAll(\PDO::FETCH_ASSOC);
+    }
+}