feat: Payment system with voucher cards.

feat: Design with inversion dependency injection architecture.
feat: Prettier http middleware.
feat: Re-write items categories with preferred accounts.

server/src/loaders/smsClient.ts

@@ -0,0 +1,9 @@
+import SMSClient from '@/services/SMSClient';
+import EasySMSGateway from '@/services/SMSClient/EasySMSClient';
+
+export default () => {
+  const easySmsGateway = new EasySMSGateway();
+  const smsClient = new SMSClient(easySmsGateway);
+  
+  return smsClient;
+};