Work more on layout.

app/_layout.tsx

@@ -1,5 +1,6 @@
 import { Stack } from 'expo-router';
 
+
 export default function Layout() {
   return (
     <Stack
@@ -12,6 +13,7 @@ export default function Layout() {
           fontWeight: 'bold',
         },
       }}
-    />
+    >
+    </Stack>
   );
 }

app/index.tsx

@@ -39,26 +39,9 @@ export default function Home() {
 
   return (
     <View style={styles.container}>
-      <Pressable>
-        <Text>Settings</Text>
-      </Pressable>
-      <Stack.Screen
-        options={{
-          title: "My home",
-          headerStyle: { backgroundColor: "#f4511e" },
-          headerTintColor: "#fff",
-          headerTitleStyle: {
-            fontWeight: "bold",
-          },
-        }}
-      />
-      <Text>Home Screen</Text>
-      {conversation ? (
-        <ConversationThread conversation={conversation} onGoBack={onGoBack} />
-      ) : (
-        <LanguageSelection onLangSelected={onLangSelected} />
-      )}
-      )
+      <Stack.Screen name="index" />
+      <Stack.Screen name="settings" />
+      <Stack.Screen name="conversation" />
     </View>
   );
 }