Refactor initialization: streamline log and config directory creation; enhance module exports in backend and UI widgets

src/ui/widgets/__init__.py

@@ -11,6 +11,9 @@ __all__ = [
     "EditProf",
     "IconWidget",
     "NewEditionChecker",
+    "NewEditionCheckSelector",
+    "UpdateSignatures",
+    "UpdaterThread"
 ]
 
 from .admin_create_user import UserCreate
@@ -23,5 +26,7 @@ from .filepicker import FilePicker
 from .graph import DataQtGraph
 from .iconLine import IconWidget
 from .MessageCalendar import MessageCalendar
-from .new_edition_check import NewEditionChecker
+from .new_edition_check import NewEditionChecker, NewEditionCheckSelector
 from .searchPage import SearchStatisticPage
+from .signature_update import UpdateSignatures, UpdaterThread
+