New abstract structure

Events for invoices get emitted in rooms

src/routes/invoice.ts

@@ -1,9 +1,10 @@
 import { Router } from "express";
-import { createInvoice, getInvoice } from "../controllers/invoice";
+import { createInvoice, getInvoice, getPaymentMethods } from "../controllers/invoice";
 import { MW_User } from "../controllers/user";
 
 const invoiceRouter = Router()
 
+invoiceRouter.get('/paymentmethods', getPaymentMethods);
 invoiceRouter.get('/:selector', getInvoice);
 invoiceRouter.get('/', MW_User, getInvoice);
 invoiceRouter.post('/', MW_User, createInvoice);