docs: add docs

projektdokumentation/Listings/Factory.php

@@ -0,0 +1,27 @@
+<?php declare(strict_types=1);
+
+namespace Neusta\IntexClient\Connection;
+
+use Neusta\IntexClient\Connection\Model\Connection;
+
+use function class_exists;
+use function sprintf;
+use function ucwords;
+use function strtolower;
+
+class Factory
+{
+    public static function create(string $connectionType): Connection
+    {
+        $connectionPath = sprintf(
+            '\Neusta\IntexClient\Model\Connection\%sConnection',
+            ucwords(strtolower($connectionType))
+        );
+
+        if (class_exists($connectionPath)) {
+            return new $connectionPath();
+        }
+
+        throw new \RuntimeException('Invalid Connection Type given');
+    }
+}