update readme

Author: stefanseifert

README.md

@@ -8,6 +8,6 @@ Steps to build and start the proxy:
 
 - Go to maven-nodejs-proxy directory
 - Build server with `mvn clean install`
-- Start server with
+- Start server with<br/>
 `java -jar target/io.wcm.devops.maven.nodejs-proxy-<version>.jar server config.yml`
-- Go to [http://localhost:8080] for further instructions
+- Go to [http://localhost:8080](http://localhost:8080) for further instructions