add project status

Author: kelseyhightower

README.md

@@ -1,6 +1,10 @@
 # compose2kube
 
-Convert docker-compose service files to kubernetes objects.
+Convert docker-compose service files to Kubernetes objects.
+
+## Status
+
+compose2kube is in the prototype stage and only supports mapping container images, ports, and restart policies to Kubernetes replication controllers. Thanks to the [docker/libcompose](https://github.com/docker/libcompose) library, compose2kube will support the complete docker-compose specification in the near future.
 
 ## Usage