Forgot to commit settings folder

Author: PaulJonasJost

src/petab_gui/settings/__init__.py

@@ -0,0 +1,20 @@
+"""Settings package for PEtab GUI.
+
+This package contains the settings management system, split into:
+- SettingsModel: Pure data/persistence layer (no UI dependencies)
+- SettingsDialog: Pure UI layer for the settings dialog
+"""
+
+from .settings_dialog import (
+    ColumnConfigWidget,
+    SettingsDialog,
+    TableDefaultsWidget,
+)
+from .settings_model import SettingsModel
+
+__all__ = [
+    "SettingsModel",
+    "SettingsDialog",
+    "ColumnConfigWidget",
+    "TableDefaultsWidget",
+]