Generate Shortened URL with QR Code

**Description:**
As a user, I want to create a shortened URL along with its corresponding QR code. When I enter a long URL, the system should:

- Generate a shortened URL.
- Display a QR code alongside to the shortened URL that, when scanned, redirects to the shortened URL.

**Acceptance Criteria:**

- Input field for users to enter a long URL.
- Backend logic to generate a shortened URL.
- QR code generated for the shortened URL.
- Both shortened URL and QR code displayed to the user.