add missing files

vendor/sabre/vobject/.php_cs.dist

@@ -0,0 +1,12 @@
+<?php
+
+$config = PhpCsFixer\Config::create();
+$config->getFinder()
+    ->exclude('vendor')
+    ->in(__DIR__);
+$config->setRules([
+    '@PSR1' => true,
+    '@Symfony' =>true
+]);
+
+return $config;

vendor/sabre/vobject/phpstan.neon

@@ -0,0 +1,3 @@
+parameters:
+  level: 0
+  bootstrap: %currentWorkingDirectory%/vendor/autoload.php