Add create game and manage game pages, update navigation and session handling for individual and business users

app/Screens/ManageGamePage.jsx

@@ -0,0 +1,51 @@
+import React from 'react';
+import {Pressable, StyleSheet, Text, View} from 'react-native';
+import {useNavigation} from '@react-navigation/native';
+import ScreenHeader from '../components/ScreenHeader';
+
+const ManageGamePage = () => {
+  const navigation = useNavigation();
+
+  return (
+    <View style={styles.wrapper}>
+      <ScreenHeader title="Manage Game" />
+      <View style={styles.container}>
+        <Text style={styles.body}>Manage your active team from here.</Text>
+        <Pressable style={styles.button} onPress={() => navigation.navigate('(routes)/team')}>
+          <Text style={styles.buttonText}>Open Team Manager</Text>
+        </Pressable>
+      </View>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  wrapper: {
+    flex: 1,
+    backgroundColor: '#ffffff',
+  },
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    gap: 12,
+    padding: 20,
+  },
+  body: {
+    color: '#4b5563',
+    fontSize: 15,
+  },
+  button: {
+    backgroundColor: '#2563eb',
+    borderRadius: 8,
+    paddingHorizontal: 16,
+    paddingVertical: 12,
+  },
+  buttonText: {
+    color: '#ffffff',
+    fontWeight: '600',
+  },
+});
+
+export default ManageGamePage;
+