Update README.md

Author: witold-swierzy

data-platform/autonomous-database/autonomous-json/oracle-api-for-mongodb-demos/README.md

@@ -1 +1,14 @@
+## Oracle API for MongoDB demos
 
+This repository contains scripts demonstrating capabilities of using Oracle API for MongoDB
+- NodeJS directory contains NodeJS programs/scripts using Oracle API for MongoDB
+- sql directory contains SQL scripts demonstrating Oracle Database support for JSON documents/document-oriented data model
+
+
+## License
+
+Copyright (c) 2025 Oracle and/or its affiliates.
+
+Licensed under the Universal Permissive License (UPL), Version 1.0.
+
+See [LICENSE](https://github.com/oracle-devrel/technology-engineering/blob/main/LICENSE) for more details.