Structure globale de l'application client

Signed-off-by: Emmy D'Anello <emmy@luemy.eu>

client/app/_layout.tsx

@@ -1,10 +1,15 @@
 import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native'
 import { Stack } from "expo-router"
 import { useColorScheme } from '@/hooks/useColorScheme'
+import { StatusBar } from 'expo-status-bar'
 
 export default function RootLayout() {
   const colorScheme = useColorScheme()
   return <ThemeProvider value={colorScheme === 'dark' ? DarkTheme : DefaultTheme}>
-    <Stack />
+    <Stack>
+      <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
+      <Stack.Screen name="+not-found" />
+    </Stack>
+    <StatusBar style="auto" />
   </ThemeProvider>
 }