Début du projet Traintrape-moi

client/app/_layout.tsx

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+import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native'
+import { Stack } from "expo-router"
+import { useColorScheme } from '@/hooks/useColorScheme'
+
+export default function RootLayout() {
+  const colorScheme = useColorScheme()
+  return <ThemeProvider value={colorScheme === 'dark' ? DarkTheme : DefaultTheme}>
+    <Stack />
+  </ThemeProvider>
+}

client/app/index.tsx

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+import { View } from "react-native"
+import { ThemedText } from "@/components/ThemedText"
+
+export default function Index() {
+  return (
+    <View
+      style={{
+        flex: 1,
+        justifyContent: "center",
+        alignItems: "center",
+      }}
+    >
+      <ThemedText>Bienvue sur « Traintrape-moi » !</ThemedText>
+    </View>
+  );
+}