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/tsconfig.json

@@ -8,5 +8,7 @@
     "jsx": "react",
     "allowJs": true,
     "esModuleInterop": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
   }
 }