Nomad changes

docs/snippets/php/utils/standalone_embed.md

@@ -0,0 +1,20 @@
+```php
+<?php
+use Kreuzberg\Kreuzberg;
+use Kreuzberg\Config\EmbeddingConfig;
+use Kreuzberg\Config\EmbeddingModelType;
+
+$kreuzberg = new Kreuzberg();
+
+// Embed with default config (balanced preset)
+$embeddings = $kreuzberg->embed(["Hello world", "How are you?"]);
+
+// Embed with specific preset
+$config = new EmbeddingConfig(model: EmbeddingModelType::preset("fast"));
+$embeddings = $kreuzberg->embed(["Hello world"], $config);
+
+// Each embedding is a float array
+foreach ($embeddings as $i => $vector) {
+    echo "Text $i: " . count($vector) . " dimensions\n";
+}
+```