Update logging.py

ch_backup/logging.py

@@ -84,6 +84,10 @@ def configure(config_loguru: dict) -> None:
 
         if "filter" in value:
             handler["filter"] = value["filter"]
+            # https://loguru.readthedocs.io/en/stable/api/logger.html#message
+            # One can also pass a dict mapping module names to minimum required level. In such case, each log record will search for it’s closest parent in the dict
+            # and use the associated level as the filter.
+            # In order to set a default level, the "" module name should be used as it is the parent of all modules (it does not suppress global level threshold, though).
             handler["filter"][""] = False
         else:
             handler["filter"] = make_filter(name)