BUG: change default Vite title and favicon

### Is there an existing issue for this?

- [x] I have searched the existing issues

### What happened?

## Issue

The frontend currently uses Vite’s default browser title and favicon, resulting in incorrect project branding. These defaults are defined in:
```
frontend/index.html
```

**Before**
```html

Vite + React
```

### Record

- [x] I agree to follow this project's Code of Conduct