feat: Implement initial admin and mobile application UI, including styling, layouts, authentication, and legal page components.

innungsapp/apps/mobile/app/_layout.tsx

@@ -4,6 +4,8 @@ import { Stack, SplashScreen } from 'expo-router'
 import { useAuthStore } from '@/store/auth.store'
 import { TRPCProvider } from '@/lib/trpc'
 
+import { LoadingScreen } from '@/components/ui/LoadingScreen'
+
 SplashScreen.preventAutoHideAsync()
 
 export default function RootLayout() {
@@ -14,7 +16,7 @@ export default function RootLayout() {
     initAuth().finally(() => SplashScreen.hideAsync())
   }, [initAuth])
 
-  if (!isInitialized) return null
+  if (!isInitialized) return <LoadingScreen />
 
   return (
     <TRPCProvider>