fix: disconnection issue by adding a persistent ping

src/ts3gotify.ts

@@ -43,7 +43,8 @@ export function ts3gotifyFactory(
   ts3Client: TeamSpeak,
   gotifyClient: Gotify,
   gotifyConfig: GotifyConfig,
-  logger: Logger
+  logger: Logger,
+  pingInterval = 2_500
 ) {
   let reconnectInProgress = false;
 
@@ -108,6 +109,8 @@ export function ts3gotifyFactory(
     }
   }
 
+  setInterval(() => ts3Client.version(true), pingInterval);
+
   ts3Client.on("close", async () => {
     await reconnectWithBackoff();
   });