Add game lobby, registration, and game type pages

app/Screens/GameLobbyPage.jsx

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+import React from 'react';
+import { View, Text, Button, TextInput } from 'react-native';
+
+const GameLobbyPage = () => {
+  return (
+    <View>
+      <Text>Game Lobby</Text>
+      <Button title="Create Team" onPress={() => {}} />
+      <Text>Join Team Code:</Text>
+      <TextInput placeholder="Enter Team Join Code" />
+    </View>
+  );
+};
+
+export default GameLobbyPage;

app/Screens/GameTypePage.jsx

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+import React from 'react';
+import { View, Button } from 'react-native';
+
+const GameTypePage = () => {
+  return (
+    <View>
+      <Button title="Join Global Game" onPress={() => {}} />
+      <Button title="Join Private Game" onPress={() => {}} />
+      <Button title="Manage Private Game" onPress={() => {}} />
+    </View>
+  );
+};
+
+export default GameTypePage;

app/Screens/JoinPrivateGamePage.jsx

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+import React, { useState } from 'react';
+import { View, TextInput, Button } from 'react-native';
+
+const JoinPrivateGamePage = () => {
+  const [joinCode, setJoinCode] = useState('');
+
+  const handleJoinGame = () => {
+    // Logic to check join code and redirect to game lobby
+  };
+
+  return (
+    <View>
+      <TextInput placeholder="Enter Join Code" value={joinCode} onChangeText={setJoinCode} />
+      <Button title="Join Game" onPress={handleJoinGame} />
+    </View>
+  );
+};
+
+export default JoinPrivateGamePage;

app/Screens/RegisterPage.jsx

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+import React, { useState } from 'react';
+import { View, Text, TextInput, Button, Picker } from 'react-native';
+
+const RegisterPage = () => {
+  const [username, setUsername] = useState('');
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [confirmPassword, setConfirmPassword] = useState('');
+  const [userType, setUserType] = useState('Individual');
+
+  const handleRegister = () => {
+    // Registration logic here
+  };
+
+  return (
+    <View>
+      <Text>Register</Text>
+      <TextInput placeholder="Username" value={username} onChangeText={setUsername} />
+      <TextInput placeholder="Email" value={email} onChangeText={setEmail} />
+      <TextInput placeholder="Password" value={password} onChangeText={setPassword} secureTextEntry />
+      <TextInput placeholder="Confirm Password" value={confirmPassword} onChangeText={setConfirmPassword} secureTextEntry />
+      <Picker selectedValue={userType} onValueChange={(itemValue) => setUserType(itemValue)}>
+        <Picker.Item label="Individual" value="Individual" />
+        <Picker.Item label="Business/School" value="Business/School" />
+      </Picker>
+      <Button title="Register" onPress={handleRegister} />
+    </View>
+  );
+};
+
+export default RegisterPage;