laravel-beginning/form-app/routes/web.php

<?php

use Illuminate\Support\Facades\Route;
use App\Http\Controllers\FormController;

Route::get('/', function () {
    return view('welcome');
});

Route::get('/form', [FormController::class, 'index'])->name('form');
Route::post('/form', [FormController::class, 'submit'])->name('form.submit');