Nomad changes

docs/snippets/swift/ocr/cloud_ocr_backend.md

@@ -0,0 +1,22 @@
+```swift title="Swift"
+import Foundation
+import Kreuzberg
+import RustBridge
+
+// Custom/cloud OCR backends are registered via the Rust plugin system.
+// From Swift, select a registered custom backend by name through the
+// JSON configuration:
+let configJson = """
+{
+    "ocr": {
+        "backend": "custom",
+        "language": "eng"
+    }
+}
+"""
+
+let config = try extractionConfigFromJson(configJson)
+let result = try extractFileSync("scanned.pdf", nil, config)
+
+print(result.content().toString())
+```