Add proprietary notice footer

Author: blackboxprogramming

README.md

@@ -91,3 +91,13 @@ Controller
 ├── export_yaml(id) → YAML string
 └── list_resources(namespace, kind, label_selector)
 ```
+
+---
+
+**Proprietary Software — BlackRoad OS, Inc.**
+
+This software is proprietary to BlackRoad OS, Inc. Source code is publicly visible for transparency and collaboration. Commercial use, forking, and redistribution are prohibited without written authorization.
+
+**BlackRoad OS — Pave Tomorrow.**
+
+*Copyright 2024-2026 BlackRoad OS, Inc. All Rights Reserved.*