[rennes] add if mapping for roazhon5

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-1.json

...000/sites/rennes/clusters/roazhon5/nodes/roazhon5-10.json

...000/sites/rennes/clusters/roazhon5/nodes/roazhon5-11.json

...000/sites/rennes/clusters/roazhon5/nodes/roazhon5-12.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-2.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-3.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-4.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-5.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-6.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-7.json

...5000/sites/rennes/clusters/roazhon5/nodes/roazhon5-9.json

input/grid5000/sites/rennes/clusters/roazhon5/roazhon5.yaml

lib/refrepo/net_names_mapping.yaml