- Added QR code generation functionality using the `qrcode` library.
- Created new components for QR code rendering and customization.
- Integrated QR code display in the 2FA settings screen.
- Updated package dependencies to include `@types/qrcode` and `qrcode`.
- Refactored related components to support QR code features.
Signed-off-by: Innei <tukon479@gmail.com>