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/exceptions/NotAllowedChangeSubscriptionPlan.ts

@@ -0,0 +1,9 @@
+
+
+export default class NotAllowedChangeSubscriptionPlan extends Error{
+
+  constructor(message: string) {
+    super(message);
+    this.name = "NotAllowedChangeSubscriptionPlan";
+  }
+}