basic stracture and auth

in memory db :)

apps/mobile/src/app/_layout.tsx

@@ -0,0 +1,15 @@
+import { AuthProvider } from '@/contexts/AuthContext'
+import { Stack } from 'expo-router'
+import { View, Text } from 'react-native'
+
+export default function RootLayout() {
+  return (
+    <AuthProvider>
+      <Stack>
+        <Stack.Screen name="(tabs)" options={{ headerShown: false }} />
+        <Stack.Screen name="login" options={{ headerShown: false }} />
+        <Stack.Screen name="register" options={{ headerShown: false }} />
+      </Stack>
+    </AuthProvider>
+  )
+}