add dedicated S.M.A.R.T. page with persistent device storage

- Add /smart route to view SMART data across all systems
- Store SMART devices in new smart_devices collection
- Auto-fetch SMART data when system first comes online
- Add refresh/delete actions per device with realtime updates
- Add navbar and command palette entries

internal/site/src/components/router.tsx

@@ -3,6 +3,7 @@ import { createRouter } from "@nanostores/router"
 const routes = {
 	home: "/",
 	containers: "/containers",
+	smart: "/smart",
 	system: `/system/:id`,
 	settings: `/settings/:name?`,
 	forgot_password: `/forgot-password`,