feat: add VCard API integration with configuration and proxy endpoints

- Implemented VCard API controller with methods to manage configuration (save, get).
- Added proxy functions to handle API requests for users, vcards, memberships, payments, transactions, logs, and miniwebs.
- Included error handling and response formatting for API interactions.

seed_integraciones.sql

@@ -35,12 +35,23 @@ WHERE NOT EXISTS (
     SELECT 1 FROM submodules WHERE url = '/app/cloudflare' AND deleted_at IS NULL
 );
 
--- 4. Asignar ambos submódulos a TODOS los roles (ignorar duplicados)
+-- 4. Insertar submódulo VCard API si no existe
+INSERT INTO submodules (title, description, url, module_id, modified_at, created_at, updated_at)
+SELECT 'VCard API',
+       'Integración con el sistema VCard externo (Laravel + Sanctum): usuarios, membresías, vcards, pagos y más',
+       '/app/vcard-api',
+       (SELECT id FROM modules WHERE title = 'Integraciones' AND deleted_at IS NULL LIMIT 1),
+       NOW(), NOW(), NOW()
+WHERE NOT EXISTS (
+    SELECT 1 FROM submodules WHERE url = '/app/vcard-api' AND deleted_at IS NULL
+);
+
+-- 5. Asignar todos los submódulos de Integraciones a TODOS los roles (ignorar duplicados)
 INSERT INTO roles_submodules (role_id, submodule_id)
 SELECT r.id, s.id
 FROM roles r
 CROSS JOIN submodules s
-WHERE s.url IN ('/app/hostinger', '/app/cloudflare')
+WHERE s.url IN ('/app/hostinger', '/app/cloudflare', '/app/vcard-api')
   AND r.deleted_at IS NULL
   AND s.deleted_at IS NULL
 ON CONFLICT DO NOTHING;