Add floating windows and btop system monitor

src/lib/components/desktop/Launcher.svelte

@@ -24,7 +24,7 @@
 		.filter((item) => !('page' in item.open))
 		.map((item) => ({
 			label: item.label,
-			detail: 'terminal' in item.open ? `kitty ${item.open.terminal}`.trim() : 'url' in item.open ? item.open.url : '',
+			detail: launcherDetail(item.open),
 			icon: item.icon,
 			open: item.open
 		}));
@@ -66,6 +66,13 @@
 			selectedIndex = Math.max(0, selectedIndex - 1);
 		} else if (event.key === 'Enter') launch(filteredEntries[selectedIndex]);
 	}
+
+	function launcherDetail(action: DesktopAction): string {
+		if ('terminal' in action) return `kitty ${action.terminal}`.trim();
+		if ('url' in action) return action.url;
+		if ('app' in action) return action.app;
+		return '';
+	}
 </script>
 
 <button class="backdrop" aria-label="Close launcher" onclick={close}></button>