Add all files

app/Policies/ExtensionPolicy.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Extension;
+use App\Models\User;
+
+class ExtensionPolicy
+{
+    /**
+     * Determine whether the user can view any models.
+     */
+    public function viewAny(User $user): bool
+    {
+        return $user->hasPermission('admin.extensions.viewAny');
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     */
+    public function view(User $user): bool
+    {
+        return $user->hasPermission('admin.extensions.view');
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, Extension $extension): bool
+    {
+        return $user->hasPermission('admin.extensions.update');
+    }
+}