Nomad changes

docs/snippets/php/plugins/list_plugins.md

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+```php title="PHP"
+<?php declare(strict_types=1);
+
+use Kreuzberg\Kreuzberg;
+
+// List all registered OCR backends
+$ocr_backends = Kreuzberg::listOcrBackends();
+echo "Registered OCR backends:\n";
+foreach ($ocr_backends as $backend) {
+    echo "  - $backend\n";
+}
+
+// List all registered post-processors
+$processors = Kreuzberg::listPostProcessors();
+echo "Registered post-processors:\n";
+foreach ($processors as $processor) {
+    echo "  - $processor\n";
+}
+
+// List all registered validators
+$validators = Kreuzberg::listValidators();
+echo "Registered validators:\n";
+foreach ($validators as $validator) {
+    echo "  - $validator\n";
+}
+
+// List all registered document extractors
+$extractors = Kreuzberg::listDocumentExtractors();
+echo "Registered document extractors:\n";
+foreach ($extractors as $extractor) {
+    echo "  - $extractor\n";
+}
+```