Created rest route to perform authentication

config/autoload/routes.global.php

@@ -13,6 +13,12 @@ return [
         ],
 
         // Rest
+        [
+            'name' => 'rest-authenticate',
+            'path' => '/rest/authenticate',
+            'middleware' => Rest\AuthenticateMiddleware::class,
+            'allowed_methods' => ['POST'],
+        ],
         [
             'name' => 'rest-create-shortcode',
             'path' => '/rest/short-codes',

config/autoload/services.global.php

@@ -38,6 +38,7 @@ return [
             Service\UrlShortener::class => AnnotatedFactory::class,
             Service\VisitsTracker::class => AnnotatedFactory::class,
             Service\ShortUrlService::class => AnnotatedFactory::class,
+            Service\RestTokenService::class => AnnotatedFactory::class,
             Cache::class => CacheFactory::class,
 
             // Cli commands
@@ -45,6 +46,7 @@ return [
 
             // Middleware
             Middleware\Routable\RedirectMiddleware::class => AnnotatedFactory::class,
+            Middleware\Rest\AuthenticateMiddleware::class => AnnotatedFactory::class,
             Middleware\Rest\CreateShortcodeMiddleware::class => AnnotatedFactory::class,
             Middleware\Rest\ResolveUrlMiddleware::class => AnnotatedFactory::class,
             Middleware\Rest\GetVisitsMiddleware::class => AnnotatedFactory::class,