SpendSpentSpent releases

Added initial unit tests and a new Flutter UI feature, expanding test coverage and providing additional functionality for the application.

Fixed a bug where clicking a notification failed to set the expense amount, ensuring accurate tracking of user entries.

Fix issues with yearly recurring payment not working properly in january and other month when it's a new one

Materialized views are refreshed concurrently, button layout is aligned, front-end dependencies are updated, and the Spring Boot runtime is upgraded, enhancing scalability, UI consistency, and security while requiring migration.