feat(warehousing): ppoo monitoring added

this will monitor ppoo every 45 seconds as long as someone is on the page.

closes #13

backend/server.ts

@@ -26,6 +26,7 @@ import {
 } from "./utils/analyticRouteHits.utils.js";
 import { createCronJob } from "./utils/croner.utils.js";
 import { sendEmail } from "./utils/sendEmail.utils.js";
+import { ppooMonitoring } from "./warehousing/warehousing.ppooMonitor.js";
 
 const port = Number(process.env.PORT) || 3000;
 export let systemSettings: Setting[] = [];
@@ -78,6 +79,10 @@ const start = async () => {
 			runRouteHitAnalyticsCron(),
 		);
 
+		createCronJob("ppooMonitor", "*/45 * * * * *", async () =>
+			ppooMonitoring(),
+		);
+
 		createCronJob("cleanHitsUp", "0 0 7 * * *", () => cleanupOldRouteHits());
 		// one shots only needed to run on server startups
 		createNotifications();