Add base debug WS route

matrixgw_frontend/src/api/WsApi.ts

@@ -0,0 +1,15 @@
+import { APIClient } from "./ApiClient";
+
+export type WsMessage = {
+  type: string;
+  [k: string]: any;
+};
+
+export class WsApi {
+  /**
+   * Get WebSocket URL
+   */
+  static get WsURL(): string {
+    return APIClient.backendURL() + "/ws";
+  }
+}