[TASK] Create extension in2frontendauthentication

Working commit

ext_localconf.php

@@ -0,0 +1,19 @@
+<?php
+defined('TYPO3_MODE') || die();
+
+\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addService(
+    'in2frontendauthentication',
+    'auth',
+    \In2code\In2frontendauthentication\Domain\Service\AuthenticationService::class,
+    [
+        'title' => 'Frontenduser authentication service',
+        'description' => 'Authentication visitors as frontend users if IP address is matching.',
+        'subtype' => 'getUserFE,authUserFE,getGroupsFE',
+        'available' => true,
+        'priority' => 50,
+        'quality' => 50,
+        'os' => '',
+        'exec' => '',
+        'className' => \In2code\In2frontendauthentication\Domain\Service\AuthenticationService::class,
+    ]
+);