fix url of docker img

contribute.sh

 #!/bin/bash
 
 # set the variables
-dockerImg="git-r3lab.uni.lu:4567/r3/docker/nodejs-yarn-grunt"
+dockerImg="gitlab.lcsb.uni.lu:4567/r3/docker/nodejs-yarn-grunt"
 dockerPort="9000"
 
 helpFunction()
@@ -31,5 +31,4 @@ fi
 
 # launch the docker file
 cmd="python contribute.py --date=\"$parameterDate\" --name=\"$parameterName\""
-
 docker run -p $dockerPort:$dockerPort --user $(id -u):$(id -g) -it -v $(pwd)/:/presentation $dockerImg /bin/bash -c "$cmd"