chore: Log service worker update check

webclient/src/Feed.js

@@ -23,6 +23,7 @@ function Feed({ updateCache }) {
 		if ('serviceWorker' in navigator) {
 			navigator.serviceWorker.getRegistration().then(reg => {
 				if (reg) {
+					console.log('Checking for client update...');
 					reg.update();
 				}
 			});