MSLRES-4940 Add internal release instructions to readme

README.md

@@ -51,6 +51,19 @@ To skip local test
 
 in your terminal. The project will then be compiled and tested before finally being installed in your local repository.
 
+## Making an internal release
+
+You need to add the following to `settings.xml` 
+```xml
+<server>
+  <id>clx-releases</id>
+  <username>******</username>
+  <password>******</password>
+</server>
+```
+you then need to define the environment variables `REPO_URL` and `GPG_PASSPHRASE`.
+Then you can make a release by running `./release.sh`
+
 ## Developing in Eclipse
 
 To import the project into Eclipse it is necessary to install the m2e plugin and the m2e-apt connector. Both are