add seo plugin

vendor/spatie/schema-org/generator/PackageGenerator.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Spatie\SchemaOrg\Generator;
+
+use Spatie\SchemaOrg\Generator\Parser\DefinitionParser;
+use Spatie\SchemaOrg\Generator\Writer\Filesystem;
+
+class PackageGenerator
+{
+    public function generate(Definitions $definitions)
+    {
+        $types = (new DefinitionParser())->parse($definitions);
+
+        $filesystem = new Filesystem(__DIR__.'/..');
+
+        $filesystem->clear();
+
+        $filesystem->cloneStaticFiles();
+
+        $types->each(function (Type $type) use ($filesystem, $types) {
+            $type->setTypeCollection($types);
+            $filesystem->createType($type);
+        });
+
+        $filesystem->createBuilderClass($types);
+    }
+}