public function registerUser(Request $data)
{
    $newUser = new User();
    $newUser->fullname = $data->input('fullname');
    $newUser->email = $data->input('email');
    $newUser->password = Hash::make($data->input('password'));
    $newUser->picture = $data->file('picture')->getClientOriginalName();
    $data->file('picture')->move('uploads/profiles/', $newUser->picture);
    $newUser->type = "Customer";

    if ($newUser->save()) {
        return redirect('login')->with('success', 'Congratulations! Your Account is Ready.');
    }
}              
Regisrer.blade.php form div code : <div class="contact__form">
                    <form action="{{ route('registerUser') }}" method="POST" enctype="multipart/form-data">
                            @csrf
                            <div class="row">
                                <div class="col-lg-6">
                                    <input type="text" name="fullname" placeholder="Name" required>
                                </div>
                                <div class="col-lg-6">
                                    <input type="email" name="email"  placeholder="Email" required>
                                </div>
                                <div class="col-lg-6">
                                    <input type="file" name="picture" required>
                                </div>
                                <div class="col-lg-6">
                                    <input type="password" name="password" placeholder="Password" required>
                                </div>
                                <div class="col-lg-12">
                                    
                                    <button type="submit" class="site-btn">Sign Up</button  >
                                </div>
                            </div>
                        </form>

routes for it : Route::get('/', [MainController::class, 'index']);
Route::get('/cart', [MainController::class, 'cart']);
Route::get('/checkout', [MainController::class, 'checkout']);
Route::get('/details', [MainController::class, 'productDetails']);
Route::get('/shop', [MainController::class, 'shop']);
Route::get('/register', [MainController::class, 'register']);
Route::get('/login', [MainController::class, 'login']);
Route::post('/registerUser', [MainController::class, 'registerUser'])->name('registerUser');