[sophia][network] add prod switch (sw-6) and admin switch (swadmin-[2-6])

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

data/grid5000/sites/sophia/network_equipments/sw-2.json

data/grid5000/sites/sophia/network_equipments/sw-6.json

data/grid5000/sites/sophia/network_equipments/swadmin-2.json

data/grid5000/sites/sophia/network_equipments/swadmin-3.json

data/grid5000/sites/sophia/network_equipments/swadmin-4.json

data/grid5000/sites/sophia/network_equipments/swadmin-5.json

data/grid5000/sites/sophia/network_equipments/swadmin-6.json

input/grid5000/sites/sophia/networks/gw-sophia.yaml

input/grid5000/sites/sophia/networks/sw-2.yaml

input/grid5000/sites/sophia/networks/sw-6.yaml

input/grid5000/sites/sophia/networks/swadmin-2.yaml

input/grid5000/sites/sophia/networks/swadmin-3.yaml

input/grid5000/sites/sophia/networks/swadmin-4.yaml

input/grid5000/sites/sophia/networks/swadmin-5.yaml

input/grid5000/sites/sophia/networks/swadmin-6.yaml