Logging with loguru (#708)

* logging

* requirements

* add loguru dependency

* restore it

* add loguru

* set log level in .env file

* remove service fee print

* set log level

* more logging

* more logging

* more logging

* pyament.checking_id

* fix

lnbits/wallets/lnbits.py

@@ -4,6 +4,8 @@ import httpx
 from os import getenv
 from typing import Optional, Dict, AsyncGenerator
 
+from loguru import logger
+
 from .base import (
     StatusResponse,
     InvoiceResponse,
@@ -144,5 +146,7 @@ class LNbitsWallet(Wallet):
             except (OSError, httpx.ReadError, httpx.ConnectError, httpx.ReadTimeout):
                 pass
 
-            print("lost connection to lnbits /payments/sse, retrying in 5 seconds")
+            logger.error(
+                "lost connection to lnbits /payments/sse, retrying in 5 seconds"
+            )
             await asyncio.sleep(5)