Update README to include Ubuntu 19.10

Signed-off-by: Christopher Crone <christopher.crone@docker.com>
(cherry picked from commit 762501e)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 7027d9106da4689e704e5c062b86e69a6d7d2485
Component: packaging

Author: chris-crone

components/packaging/README.md

@@ -7,6 +7,7 @@ This repository is solely maintained by Docker, Inc.
 
 The scripts will build for this list of packages types:
 
+* DEB packages for Ubuntu 19.10 Eoan
 * DEB packages for Ubuntu 19.04 Disco
 * DEB packages for Ubuntu 18.10 Cosmic
 * DEB packages for Ubuntu 18.04 Bionic