Update README.md

Author: witold-swierzy

data-platform/core-converged-db/mongodb-api/README.md

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+# MongoDB API 23c Workshop 
+
+MongoDB API is an interface offered by Oracle Database, which emulates native Mongo Database API. It allows a MongoDB application to connect to Oracle Database and work with JSON Documents immediately, without any code changes.
+
+Purpose of this workshop is to present capabilities of this API in the newest, 23c version, including basic MongoDB operations as well as Pipeline Aggregations and benefits of using Oracle JSON Relational Duality Views.
+
+Review Date: 29.01.2024
+
+### Documentation
+
+- [Oracle MongoDB API documentation](https://docs.oracle.com/en/database/oracle/mongodb-api/index.html)
+
+### LiveLabs Workshops
+
+- [Developing with JSON and SODA in Oracle Database](https://apexapps.oracle.com/pls/apex/dbpm/r/livelabs/view-workshop?wid=568)
+
+# License
+
+Copyright (c) 2023 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.