Implement push monitoring

src/client/init.ts

@@ -1,6 +1,7 @@
 import { runCleanup } from "../service";
 import client from "./index";
 import { initPromise } from "../data/dataSource";
+import pushMonitor from "@astrogd/eu.astrogd.uptime-kuma-push-monitor";
 
 const token = process.env["TOKEN"];
 if (!token) throw new ReferenceError("TOKEN environment variable is missing");
@@ -14,6 +15,9 @@ async function run() {
 
 client.on("ready", async () => {
     console.log(`Connected to Discord API. Bot account is ${client.user?.tag} (${client.user?.id})`);
+    if (process.env["MONITOR_URL"]) pushMonitor.register(process.env["MONITOR_URL"], 120);
+    pushMonitor.enableShutdownNotifications();
+    pushMonitor.setPerformanceHandler(() => client.ws.ping);
 
     runCleanup();
 });