init edit

app/_layout.jsx

@@ -0,0 +1,42 @@
+import { Link, Stack } from 'expo-router';
+import { useColorScheme } from 'react-native';
+import { PaperProvider} from 'react-native-paper';
+import { MD3LightTheme, MD3DarkTheme } from 'react-native-paper';
+import Ionicons from '@expo/vector-icons/Ionicons';
+
+export default function RootLayout() {
+  const colorScheme = useColorScheme();
+  const theme = colorScheme === 'dark' ? MD3DarkTheme :
+  MD3LightTheme;
+
+  return (
+    <PaperProvider theme={theme} >
+        <Stack screenOptions={{
+                headerStyle: {
+                  backgroundColor: theme.colors.primaryContainer,
+                  borderBottomWidth:0
+                },
+                headerTintColor: theme.colors.primary,
+        }}>
+          <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
+          <Stack.Screen 
+            name="location/[id]" 
+            options={({ route }) => ({
+            title: "Lokalizacja", 
+            headerBackTitle: "Powrót",
+            headerRight: () => (
+            <Link 
+            href={`location/edit/${route.params.id}`}
+            asChild 
+            style={{ marginRight: 11 }}
+            >
+          <Ionicons name="pencil" color={theme.colors.primary} size={24} />
+          </Link>
+        ),
+        })}
+        />
+        <Stack.Screen name="location/edit/[id]" options={{ title: "Edycja" }} />
+        </Stack>
+    </PaperProvider>
+  );
+}