Add convex

apps/expo/src/app/_layout.tsx

@@ -2,8 +2,9 @@ import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native
 import { Stack } from 'expo-router';
 import { StatusBar } from 'expo-status-bar';
 import 'react-native-reanimated';
-import * as Sentry from '@sentry/react-native';
 import { useColorScheme } from '@/hooks/use-color-scheme';
+import * as Sentry from '@sentry/react-native';
+import { ConvexProvider, ConvexReactClient } from 'convex/react';
 
  Sentry.init({
   dsn: 'https://ff2e19b7c72ee50463c6c66b5bef7ce0@sentry.gbrown.org/8',
@@ -12,6 +13,8 @@ import { useColorScheme } from '@/hooks/use-color-scheme';
   profilesSampleRate: 1.0,
 });
 
+const convex = new ConvexReactClient(process.env.EXPO_PUBLIC_CONVEX_URL)
+
 export const unstable_settings = {
   anchor: '(tabs)',
 };