Added overview of important branches

README.adoc

@@ -1,5 +1,4 @@
-SUSE Linux Enterprise Documentation
-===================================
+= SUSE Linux Enterprise Documentation
 
 This is the source for the official SUSE Linux Enterprise documentation.
 
@@ -13,8 +12,18 @@ available) for the following products:
 Released versions of the documentation have been published at
 https://www.suse.com/documentation/.
 
-Contributing
--------------
+
+== Branches
+
+.Overview of important branches
+[options="header"]
+|================================================
+| Name            | Purpose
+| `trans/SLE12`   | Translations from Dublin
+|================================================
+
+
+== Contributing
 
 If you would like to contribute, please fork this repository and send
 pull requests. Always use the `develop` branch for your edits! +