[all] Added frontend ip

dev/input/grid5000/sites/grenoble/grenoble.yaml

dev/input/grid5000/sites/lille/lille.yaml

dev/input/grid5000/sites/luxembourg/luxembourg.yaml

dev/input/grid5000/sites/lyon/lyon.yaml

dev/input/grid5000/sites/nancy/nancy.yaml

dev/input/grid5000/sites/nantes/nantes.yaml

dev/input/grid5000/sites/reims/reims.yaml

dev/input/grid5000/sites/rennes/rennes.yaml

dev/input/grid5000/sites/sophia/sophia.yaml

dev/puppet/templates/bind-header.erb