Add routes and core views

src/screens/NotFound.tsx

@@ -0,0 +1,27 @@
+import React from 'react'
+import {
+  SafeAreaView,
+  ScrollView,
+  StatusBar,
+  Text,
+  Button,
+  useColorScheme,
+  View,
+} from 'react-native'
+import type {RootStackScreenProps} from '../routes/types'
+
+export const NotFound = ({navigation}: RootStackScreenProps<'NotFound'>) => {
+  const isDarkMode = useColorScheme() === 'dark'
+
+  return (
+    <SafeAreaView>
+      <StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
+      <ScrollView contentInsetAdjustmentBehavior="automatic">
+        <View>
+          <Text>Page not found</Text>
+          <Button title="Home" onPress={() => navigation.navigate('Primary')} />
+        </View>
+      </ScrollView>
+    </SafeAreaView>
+  )
+}