feat(dashboard): auto light/dark mode

impelemnt auto light/dark mode based on lat/lon

Co-authored-by: Ona <no-reply@ona.com>

apps/dashboard/src/App.tsx

@@ -16,6 +16,7 @@ import {
 	stepToBrightness,
 } from "./light-control"
 import { StatusSeverity, TubeLine, formatLineName, tflDisruptionsQuery } from "./tfl"
+import { useAutoTheme } from "./use-auto-theme"
 import {
 	DEFAULT_LATITUDE,
 	DEFAULT_LONGITUDE,
@@ -32,6 +33,8 @@ function App() {
 
 	const store = useStore()
 
+	useAutoTheme(DEFAULT_LATITUDE, DEFAULT_LONGITUDE)
+
 	useEffect(() => {
 		const ws = websocket.current