Create User & Media models/controllers, remove Task & Project

# Created:

#  - UserModel + UserController

#  - MediaModel + MediaController

# Removed:

#  - TaskModel + TaskController

#  - ProjectModel + ProjectController

Model/TaskModel.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace ppb\Model;
+
+use ppb\Library\Msg;
+
+class TaskModel extends Database {
+
+    public function insertTask($data) {
+        $pdo = $this->linkDB();
+
+        try {
+            
+            $sql = "INSERT INTO task (id, userId, projectId, title, expense, dueDate, priorityId, done ) 
+                    VALUES (:id,:userId,:projectId, :title, :expense, :dueDate, :priorityId, :done)";
+            $sth = $pdo->prepare($sql);
+            $sth-> execute([
+                ':id' => $this->createUUID(),
+                ':userId' => '4f141df7-3c0a-11e8-b046-2c4d544f8fe0',
+                ':projectId' => $data['projectId'],
+                ':title' => $data['title'],
+                ':expense' => str_replace("," , "." ,$data['expense']),
+                ':dueDate' => date("Y-m-d", strtotime($data['dueDate'])),
+                ':priorityId' => $data['priorityId'],
+                ':done' => 0
+            ]);
+
+            
+            $pdo = null;
+
+            new Msg(false, "Task erfolgreich eingefügt.");
+        } catch (\PDOException $e) {
+            new Msg(true, 'Fehler beim Einfügen des Tasks', $e);
+        }
+
+    }
+}