Add Buy/Borrow Functionalities to Single Product Page

[0m3ga13]

Description:
Implement the buy/borrow functionalities on the single product page by utilizing the createPurchase and createBorrow functions to insert orders into the system. Ensure the following:

1. Integration of Functions: Implement createPurchase and createBorrow functions to enable users to place orders for buying or borrowing products respectively.
2. User Interface Updates: Update the single product page UI to include options for buying or borrowing a product.
3. Order Processing: Validate and process orders correctly based on user selections.
4. Notifications and Toasts: Implement toast and notification functionalities to provide feedback to users after a successful order placement or any errors encountered during the process.
5. Testing and Validation: Thoroughly test the functionalities to ensure they work as expected and handle edge cases gracefully.