add admin gate

device-app/resources/views/components/device-detail.blade.php

@@ -11,12 +11,14 @@
         <li>serial_number: {{ $device['serial_number'] }}</li>
         <li>image_url: {{ $device['image_url'] }}</li>
     </ul>
-    <button><a href="{{ $device->device_id }}/edit">Edit</a></button>
-    <form method="POST" action="{{ $device->device_id }}">
-        @method('DELETE')
-        @csrf
-        <button>Delete</button>
-    </form>
+    @can('admin-only')
+        <button><a href="{{ $device->device_id }}/edit">Edit</a></button>
+        <form method="POST" action="{{ $device->device_id }}">
+            @method('DELETE')
+            @csrf
+            <button>Delete</button>
+        </form>
+    @endcan
     <x-purchasing-information :device="$device" />
     @php
         $locationTransactions = $device->locations;