add upgrader to migrate data from old version

src/index.tsx

@@ -17,6 +17,7 @@ import SettingsViewModel from "./ViewModel/Global/settingsViewModel";
 import { StorageModal } from "./View/Modals/storageModal";
 import StorageModel from "./Model/Global/storageModel";
 import StorageViewModel from "./ViewModel/Global/storageViewModel";
+import v1Upgrader from "./Upgrader/v1";
 
 // models
 const storageModel = new StorageModel();
@@ -28,6 +29,9 @@ const chatListModel = new ChatListModel(
   connectionModel
 );
 
+// upgrade
+new v1Upgrader(settingsModel, connectionModel, chatListModel);
+
 // viewModels
 const coreVieWModel = new CoreViewModel();