test: implement role-based access control tests and user management module structure

Modules/UserManagement/app/Http/Controllers/UserController.php

@@ -58,9 +58,12 @@ class UserController extends Controller
         $nextNumber  = $last ? ((int) substr($last, 4)) + 1 : 1;
         $nextCode    = 'EMP-' . str_pad($nextNumber, 4, '0', STR_PAD_LEFT);
 
+        $roles = \Spatie\Permission\Models\Role::orderBy('name')->pluck('name');
+
         return Inertia::render('UserManagement::Users/Create', [
             'isSuperAdmin'     => $isSuperAdmin,
             'nextEmployeeCode' => $nextCode,
+            'roles'            => $roles,
             'contractors'      => $isSuperAdmin
                 ? Contractor::where('status', 'active')
                     ->orderBy('company_name')