Edited app.tsx to show MyTodos in header of app

App.tsx

 import { StatusBar } from 'expo-status-bar';
 import { StyleSheet, Text, View } from 'react-native';
+import { createNativeStackNavigator } from '@react-navigation/native-stack';
+import { NavigationContainer } from '@react-navigation/native';
+import List from './app/screens/list';
+
+const Stack = createNativeStackNavigator();
+
 
 export default function App() {
   return (
-    <View style={styles.container}>
-      <Text>Open up App.tsx to start working on your app!</Text>
-      <StatusBar style="auto" />
-    </View>
+    <NavigationContainer>
+      <Stack.Navigator>
+        <Stack.Screen name="My Todos" component={List}/>
+      </Stack.Navigator>
+    </NavigationContainer>
   );
 }