Added Email to bottomCustomTabBar, Added EmailScreen. Pending setting drawer on main page

screens/EmailScreen.tsx

@@ -0,0 +1,28 @@
+// EmailScreen.tsx
+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+
+const EmailScreen: React.FC = () => {
+  return (
+    <View style={styles.container}>
+      <Text style={styles.header}>Email Screen T^T</Text>
+    </View>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#f8f0fc',
+    padding: 20,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  header: {
+    fontSize: 24,
+    fontWeight: 'bold',
+    color: '#ff69b4',
+  },
+});
+
+export default EmailScreen;