Update README.md

Author: Sowham-3098

README.md

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 TravelBook is a React Native mobile application designed to simplify trip expense tracking. With Firebase integration for authentication and database management, users can efficiently manage their travel expenses, organize trips, and monitor budgets.
 
+## Latest Feature Updates in Version 1.4
+
+- **Email Verification and Forgot Password**: Users are now required to verify their email addresses through a verification link sent to their email inbox. Additionally, a forgot password functionality has been implemented, allowing users to reset their passwords securely.
+- **Update and delete trips and expenses**:  Users now delete trips from their trip list and update or delete individual expenses within their expense list. This feature enhances user control and flexibility over their travel information.
+- **Add Category**: A new feature has been introduced allowing users to add custom categories for expenses. This feature enables users to categorize their expenses more accurately, catering to their specific needs and preferences.
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 ## Features
 
 - **User Authentication**: Sign-up, sign-in, and log-out functionalities powered by Firebase.
@@ -11,6 +17,7 @@ TravelBook is a React Native mobile application designed to simplify trip expens
 - **Expense Summary**: Users can view a comprehensive summary of all expenses for each trip, including total expenditure, the number of expenses, and category-wise spending.
 - **Persistent Storage**: All trip and expense data is securely stored in the Firebase database, allowing users to access their information anytime, anywhere.
 
+
 ## Tech Stack
 
 - **React Native**: Frontend framework for building cross-platform mobile applications.