9287c949ca
- Added database functions for managing loans: getLoans, getUserLoans, deleteLoan, and createLoan. - Updated frontend to include new Form4 for displaying user loans and handling loan deletions. - Replaced Form3 with Form4 in App component. - Enhanced Form1 to set borrowing dates and fetch available items. - Improved Form2 to display borrowable items and allow selection for loans. - Introduced utility functions for handling loan creation and deletion in userHandler. - Added event listeners for local storage updates to keep UI in sync. - Updated fetchData utility to retrieve loans and user loans from the backend.