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/web.php

@@ -15,8 +15,8 @@ Route::get('/debug-db', function () {
 });
 
 Route::get('/', function () {
-    // Redirect central domain to Super Admin
-    return redirect()->route('super-admin.tenants.index');
+    // Redirect central domain to Admin Login
+    return redirect('/admin/login');
 });
 
 // Super Admin Routes