add openai model to config, rework logging to use appdirs logging dir

src/ui/dialogs/settings.py

@@ -4,11 +4,12 @@ from .dialog_sources.settings_ui import Ui_Dialog as _settings
 from src.ui.widgets.iconLine import IconWidget
 import loguru
 import sys
+from src import LOG_DIR
 
 log = loguru.logger
 log.remove()
 log.add(sys.stdout, level="INFO")
-log.add("logs/application.log", rotation="1 MB", retention="10 days")
+log.add(f"{LOG_DIR}/application.log", rotation="1 MB", retention="10 days")