Update README.md

Author: ajeetraina

workshop/dockerdesktop/README.md

@@ -43,6 +43,7 @@
 - [Mongo Express Docker Extension](https://github.com/collabnix/dockerlabs/tree/master/workshop/dockerdesktop/mac/extensions/mongo-express/README.md)
 - [Neo4j Docker Extension](https://github.com/collabnix/dockerlabs/tree/master/workshop/dockerdesktop/mac/extensions/neo4j/README.md)
 - [Memgraph Docker Extension](https://github.com/collabnix/dockerlabs/tree/master/workshop/dockerdesktop/mac/extensions/memgraph/README.md)
+- [MindsDB Docker Extension](https://github.com/collabnix/mindsdb-docker-extension)