chore: add welcome controller

Author: wardvisual

app/controllers/WelcomeController.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace app\controllers;
+
+use app\core\Controller;
+
+class WelcomeController extends Controller
+{
+    public function index(): void
+    {
+        // Change this line to use 'welcome' layout instead of 'app'
+        $this->view('welcome/index', [], ['layout' => 'welcome']);
+    }
+}