add: php composer management

vendor/composer/autoload_psr4.php

@@ -0,0 +1,12 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'enshrined\\svgSanitize\\' => array($vendorDir . '/enshrined/svg-sanitize/src'),
+    'HackeamosOrg\\' => array($baseDir . '/src'),
+    'Composer\\Installers\\' => array($vendorDir . '/composer/installers/src/Composer/Installers'),
+);