Enhance security and offline functionality

- Implement stricter security measures in the Electron app, including navigation blocking, URL validation, and external request handling.
- Add offline mode handling and UI improvements in components like `ScribeFooterBar` and `AddNewBookForm`.
- Refactor `DeleteBook` logic to include offline sync methods.
- Improve user feedback for online/offline states and synchronization errors.

components/book/AddNewBookForm.tsx

@@ -162,6 +162,7 @@ export default function AddNewBookForm({setCloseForm}: { setCloseForm: Dispatch<
                 bookId: bookId,
                 ...bookData
             };
+            console.log(isCurrentlyOffline())
             if (isCurrentlyOffline()){
                 setLocalOnlyBooks((prevBooks: SyncedBook[]): SyncedBook[] => [...prevBooks, {
                     id: book.bookId,