Add initial JSON data files and implement core page components for game functionality

app/Screens/AdminHubPage.jsx

@@ -0,0 +1,70 @@
+import React from 'react';
+import { View, Text, Pressable, StyleSheet } from 'react-native';
+import { useNavigation } from '@react-navigation/native';
+import AdminFooterNavbar from '../components/AdminFooterNavbar';
+import useAdminViewModel from '../ViewModel/useAdminViewModel';
+
+const AdminHubPage = () => {
+  const navigation = useNavigation();
+  const { createGame } = useAdminViewModel();
+
+  const handleCreateGame = async () => {
+    await createGame({
+      groupName: `Admin Game ${Date.now().toString().slice(-4)}`,
+      businessOrSchoolName: 'New Business',
+      gameType: 'private',
+      isBusiness: true,
+    });
+    navigation.navigate('game-lobby');
+  };
+
+  return (
+    <View style={styles.wrapper}>
+      <View style={styles.container}>
+        <Text style={styles.title}>Admin Hub</Text>
+        <Pressable style={styles.button} onPress={handleCreateGame}>
+          <Text style={styles.buttonText}>Create a Game</Text>
+        </Pressable>
+        <Pressable style={styles.button} onPress={() => navigation.navigate('game-lobby')}>
+          <Text style={styles.buttonText}>Manage Existing Game</Text>
+        </Pressable>
+        <Pressable style={styles.button} onPress={() => navigation.navigate('manage-subgroups')}>
+          <Text style={styles.buttonText}>Manage Subgroups</Text>
+        </Pressable>
+      </View>
+      <AdminFooterNavbar />
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  wrapper: {
+    flex: 1,
+    backgroundColor: '#ffffff',
+  },
+  container: {
+    flex: 1,
+    justifyContent: 'center',
+    padding: 20,
+    gap: 12,
+  },
+  title: {
+    fontSize: 26,
+    fontWeight: '700',
+    color: '#111827',
+    marginBottom: 8,
+  },
+  button: {
+    backgroundColor: '#2563eb',
+    borderRadius: 8,
+    paddingVertical: 12,
+    alignItems: 'center',
+  },
+  buttonText: {
+    color: '#ffffff',
+    fontWeight: '600',
+  },
+});
+
+export default AdminHubPage;
+