Add websocket method enum to Request API

api/request/src/index.ts

@@ -1,2 +1,3 @@
 export * from "./schema";
 export * from "./validation";
+export * from "./websocket";

api/request/src/websocket.ts

@@ -0,0 +1,6 @@
+/**
+ * Available websocket server-side methods to be invoked by the client
+ */
+export enum WebSocketMethod {
+	TicketProgress = "ticket_progress"
+}