feat: add routes and bootstrap

bootstrap/app.php

@@ -1,5 +1,6 @@
 <?php
 
+use App\Http\Middleware\IdempotencyMiddleware;
 use Illuminate\Foundation\Application;
 use Illuminate\Foundation\Configuration\Exceptions;
 use Illuminate\Foundation\Configuration\Middleware;
@@ -7,11 +8,14 @@ use Illuminate\Foundation\Configuration\Middleware;
 return Application::configure(basePath: dirname(__DIR__))
     ->withRouting(
         web: __DIR__.'/../routes/web.php',
+        api: __DIR__.'/../routes/api.php',
         commands: __DIR__.'/../routes/console.php',
         health: '/up',
     )
     ->withMiddleware(function (Middleware $middleware): void {
-        //
+        $middleware->alias([
+            'idempotency' => IdempotencyMiddleware::class
+        ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
         //

routes/api.php

@@ -0,0 +1,13 @@
+<?php
+
+use App\Http\Controllers\AvailabilityController;
+use App\Http\Controllers\HoldController;
+use Illuminate\Support\Facades\Route;
+
+Route::get('/slots/availability', [AvailabilityController::class, 'index']);
+
+Route::post('/slots/{slot}/hold', [HoldController::class, 'store'])
+    ->middleware('idempotency');
+
+Route::post('/holds/{id}/confirm', [HoldController::class, 'confirm']);
+Route::delete('/holds/{id}', [HoldController::class, 'destroy']);