Add note about the transition to Moby in the README
+**Docker is transitioning to the Moby Project. [Click here for more information](https://github.com/moby/moby/pull/32691)**
+---------------
+
Docker: the container engine [![Release](https://img.shields.io/github/release/docker/docker.svg)](https://github.com/docker/docker/releases/latest)
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