Fix: Add central users table and correct login redirection

- Copy users and roles migrations to central database context
- Redirect central domain root to /admin/login
- Fix SuperAdminSeeder to include required role_id

routes/tenant.php

@@ -15,7 +15,7 @@ Route::middleware([
     Route::get('/', function () {
         $centralDomains = config('tenancy.central_domains');
         if (in_array(request()->getHost(), $centralDomains)) {
-            return redirect()->route('super-admin.tenants.index');
+            return redirect('/admin/login');
         }
         return redirect()->route('admin.session.create');
     });