very basics of auth state - not actually authenticating anything right now....

app/(tabs)/profile.tsx

@@ -0,0 +1,21 @@
+import React from 'react'
+import { StyleSheet, TouchableOpacity, View } from 'react-native'
+import { useSession } from '../ctx'
+
+export default function PostsScreen() {
+    const { logout } = useSession()
+
+    return (
+        <View style={styles.wrapper}>
+            <TouchableOpacity onPress={() => logout()}>Logout</TouchableOpacity>
+        </View>
+    )
+}
+
+const styles = StyleSheet.create({
+    wrapper: {
+        flex: 1,
+        backgroundColor: '#25292e',
+        padding: 5
+    }
+})