Add new screens for game management, team management, and cache handling; implement caching logic and session management

src/components/screens/JoinPrivateGameScreen.js

@@ -0,0 +1,30 @@
+import React from 'react';
+import {StyleSheet, Text} from 'react-native';
+import Screen from '../layout/Screen';
+
+const JoinPrivateGameScreen = () => {
+  return (
+    <Screen style={styles.container}>
+      <Text style={styles.title}>Join Private Game</Text>
+      <Text style={styles.body}>Join private game setup goes here.</Text>
+    </Screen>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: {
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  title: {
+    fontSize: 24,
+    fontWeight: 'bold',
+  },
+  body: {
+    color: '#4b5563',
+    fontSize: 15,
+    marginTop: 10,
+  },
+});
+
+export default JoinPrivateGameScreen;