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

# Created:

#  - UserModel + UserController

#  - MediaModel + MediaController

# Removed:

#  - TaskModel + TaskController

#  - ProjectModel + ProjectController

Controller/UserController.php

@@ -0,0 +1,35 @@
+<?php
+namespace ppb\Controller;
+use ppb\Model\UserModel;
+
+class UserController {
+
+    public function __construct() {}
+
+    // GET all users
+    public function get($data = null): void 
+    {
+        $model = new UserModel();
+        $result = $model->getAll();
+        header('Content-Type: application/json');
+        echo json_encode($result);
+    }
+
+    // CREATE new user
+    public function create($data): void 
+    {
+        $model = new UserModel();
+        $result = $model->insert($data);
+        header('Content-Type: application/json');
+        echo json_encode($result);
+    }
+
+    // UPDATE user info
+    public function set($data): void 
+    {
+        $model = new UserModel();
+        $result = $model->update($data);
+        header('Content-Type: application/json');
+        echo json_encode($result);
+    }
+}