feat: add auto migration

src/types/storage.ts

@@ -1,8 +1,6 @@
 export interface SettingsState {
   DarkMode: boolean;
   selectedTheme: string;
-  animatedbk: boolean;
-  bksliderinput: string;
   customshortcuts: CustomShortcut[];
   defaultmenuorder: any[];
   lessonalert: boolean;
@@ -37,9 +35,14 @@ export interface SettingsState {
   defaultPage: string;
   devMode?: boolean;
   originalDarkMode?: boolean;
-  assessmentsAverage?: boolean;
-  lettergrade: boolean;
   newsSource?: string;
+  
+  // depreciated keys
+  animatedbk: boolean;
+  bksliderinput: string;
+  lettergrade: boolean;
+  assessmentsAverage?: boolean;
+  notificationCollector?: boolean;
 }
 
 interface ToggleItem {