[LILLE]Add users-api-devel.lille

Add users.api-devel.lille on lille/servers/virtual.yaml

data/grid5000/sites/lille/servers/users-api-devel.json

+{
+  "kind": "virtual",
+  "network_adapters": {
+    "default": {
+      "ip": "172.16.47.107"
+    }
+  },
+  "type": "server",
+  "uid": "users-api-devel"
+}
\ No newline at end of file