add device controller

device-app/app/Http/Controllers/DeviceController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Device;
+use Illuminate\Http\Request;
+
+class DeviceController extends Controller
+{
+    //
+    public function index()
+    {
+        return view('devices.index', [
+            'devices' => Device::all()
+        ]);
+    }
+
+    public function show(Device $device)
+    {
+        return view('devices.show', [
+            'device' => $device
+        ]);
+    }
+}