refactor: rename arauco_demo to rubberduck_demo and update all references

Author: axelgabriel.labruna.contractor.bbva.com

arauco_demo/order-payment-integration.js …erduck_demo/order-payment-integration.jsarauco_demo/order-payment-integration.js renamed to rubberduck_demo/order-payment-integration.js arauco_demo/order-payment-integration.js renamed to rubberduck_demo/order-payment-integration.js

@@ -1,5 +1,5 @@
 /*
- * Arauco Demo - Order Payment Integration
+ * Rubberduck Demo - Order Payment Integration
  * This module demonstrates how to integrate the payment microservice
  * with the existing Juice Shop order processing flow.
  */

arauco_demo/payment-client.js rubberduck_demo/payment-client.jsarauco_demo/payment-client.js renamed to rubberduck_demo/payment-client.js

@@ -1,5 +1,5 @@
 /*
- * Arauco Demo - Payment Service Client
+ * Rubberduck Demo - Payment Service Client
  * Integration module to connect Juice Shop with the Payment Microservice
  */