Added internal messaging and workers to handle per toolbx settings, actual settings handling still missing

src/ui/components/toolbox_settings/messages.rs

@@ -1,4 +1,9 @@
+use crate::toolbx::ToolbxContainer;
+
+use super::model::ToolboxPreferences;
+
 pub enum ToolboxSettingsDialogMsg {
-    Show,
+    Show(ToolbxContainer),
+    ReplyToolbxSettings(ToolboxPreferences),
     Close,
 }