Add package location to readme

Author: Morl99

README.md

@@ -2,10 +2,12 @@
 
 This repo is meant to provide a Docker container that is based on the popular [bitnami/postgresql](https://hub.docker.com/r/bitnami/postgresql) container, that comes preinstalled with the [pg_partman](https://github.com/pgpartman/pg_partman) postgresql extension.
 
+It pushes a nightly latest image to ghcr.io
+
 ## Usage
 
 ```
-docker build . -n postresql-partman-container
+docker run ghcr.io/dbsystel/postgresql-partman:latest
 ```
 
 ## License