SLING-8346 - Import Journal based Sling Content Distribution source code

* update the README description of the module
diff --git a/README.md b/README.md
index 7ea626d..5a1737a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
-org.apache.sling.distribution.journal.messages
-===============================================
+[<img src="https://sling.apache.org/res/logos/sling.png"/>](https://sling.apache.org)
 
-Project containing the [Protocol Buffers](https://developers.google.com/protocol-buffers) message definition for the `distribution.journal` module.
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+# Apache Sling Journal based Content Distribution - Messages
+
+This module is part of the [Apache Sling](https://sling.apache.org) project.
+
+This module provides the definition of messages exchanged by the [Apache Sling Journal based Content Distribution - Core](https://github.com/apache/sling-org-apache-sling-distribution-journal) module.
\ No newline at end of file