Nomad changes

docs/snippets/php/async/async_amp_bridge.md

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+```php title="PHP (Amp v3+)"
+<?php
+
+declare(strict_types=1);
+
+// Requires: composer require amphp/amp ^3.0
+use Kreuzberg\Kreuzberg;
+use Kreuzberg\Async\AmpBridge;
+
+$kreuzberg = new Kreuzberg();
+
+// Single file extraction with Amp Future
+$deferred = $kreuzberg->extractFileAsync('document.pdf');
+$future = AmpBridge::toFuture($deferred);
+$result = $future->await();
+echo $result->content;
+
+// Batch extraction with Amp Future
+$files = ['doc1.pdf', 'doc2.docx', 'doc3.xlsx'];
+$batchDeferred = $kreuzberg->batchExtractFilesAsync($files);
+$batchFuture = AmpBridge::toBatchFuture($batchDeferred);
+$results = $batchFuture->await();
+
+foreach ($results as $i => $result) {
+    echo "{$files[$i]}: {$result->content}\n";
+}
+```