- Modified the on_invoice_paid function to call pay_invoice asynchronously using asyncio.create_task.
- Added a new function pay_invoice_in_background to handle the asynchronous payment processing and exception handling.
- Ensured that the main event loop remains responsive even when encountering hodl invoices by running pay_invoice in the background.
* deinitialize task
* rework of frontend
* add lnurl and lightningaddresses
* substract fee_reserve from external split, for potential routing fee, add a warning to ui
