[rennes] Add network link Rennes <-> Renater 5

data/grid5000/network_equipments/renater5-paris.json

@@ -23,10 +23,18 @@
           "port": 0,
           "rate": 10000000000,
           "uid": "renater5-nancy"
+        },
+        {
+          "kind": "virtual",
+          "linecard": 0,
+          "port": 0,
+          "rate": 10000000000,
+          "uid": "renater5-rennes"
         }
+
       ]
     }
   ],
   "type": "network_equipment",
   "uid": "renater5-paris"
-}
\ No newline at end of file
+}

data/grid5000/network_equipments/renater5-rennes.json

+{
+  "kind": "virtual",
+  "linecards": [
+    {
+      "ports": [
+        {
+          "kind": "virtual",
+          "linecard": 0,
+          "port": 3,
+          "rate": 10000000000,
+          "uid": "renater5-paris"
+        },
+        {
+          "kind": "router",
+          "site_uid": "rennes",
+          "uid": "gw"
+        }
+      ]
+    }
+  ],
+  "type": "network_equipment",
+  "uid": "renater5-rennes"
+}