init SidebarTitle UI component

src/App.tsx

@@ -28,6 +28,7 @@ import {VehicleList, VehicleCreate, VehicleEdit, VehicleShow} from './pages/vehi
 import {RouteList, RouteCreate, RouteEdit, RouteShow} from './pages/route'
 
 import {CountryIcon, CityIcon, CarrierIcon, MediaIcon, ArticleIcon, SightIcon, StationIcon, VehicleIcon, RouteIcon} from './components/ui/Icons'
+import SidebarTitle from './components/ui/SidebarTitle'
 import {BACKEND_URL} from './lib/constants'
 
 function App() {
@@ -169,7 +170,7 @@ function App() {
                   <Route
                     element={
                       <Authenticated key="authenticated-inner" fallback={<CatchAllNavigate to="/login" />}>
-                        <ThemedLayoutV2 Header={Header}>
+                        <ThemedLayoutV2 Header={Header} Title={SidebarTitle}>
                           <Outlet />
                         </ThemedLayoutV2>
                       </Authenticated>

src/components/ui/SidebarTitle.tsx

@@ -0,0 +1,3 @@
+export default function SidebarTitle({collapsed}: {collapsed: boolean}) {
+  return <div style={{whiteSpace: 'nowrap'}}>{collapsed ? 'БН' : 'Белые ночи'}</div>
+}