add log on server startup

src/hooks.server.ts

@@ -19,6 +19,7 @@ import { refreshConversationStats } from "$lib/jobs/refresh-conversation-stats";
 
 // TODO: move this code on a started server hook, instead of using a "building" flag
 if (!building) {
+	logger.info("Starting server...");
 	initExitHandler();
 
 	await checkAndRunMigrations();