[grenoble] [network] Add sw-ibm (temporary switch for drac) and necessary topology

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-1.json

.../grid5000/sites/grenoble/clusters/drac/nodes/drac-10.json

.../grid5000/sites/grenoble/clusters/drac/nodes/drac-11.json

.../grid5000/sites/grenoble/clusters/drac/nodes/drac-12.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-2.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-3.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-4.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-5.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-6.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-7.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-8.json

data/grid5000/sites/grenoble/clusters/drac/nodes/drac-9.json

data/grid5000/sites/grenoble/network_equipments/gw.json

data/grid5000/sites/grenoble/network_equipments/sw-ibm.json

input/grid5000/sites/grenoble/networks/gw.yaml

input/grid5000/sites/grenoble/networks/sw-ibm.yaml