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

<?php

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

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

Route::get('/admin', [FormController::class, 'showData'])->name('admin.index');
Route::get('/admin/{submission}', [FormController::class, 'show'])->name('admin.show');
Route::get('/admin/{submission}/edit', [FormController::class, 'edit'])->name('admin.edit');
Route::put('/admin/{submission}', [FormController::class, 'update'])->name('admin.update');