Merge branch 'spack' into 'master'

[spack] Add spack VM on albireo-b.lyon

See merge request !389

data/grid5000/sites/lyon/servers/spack.json

+{
+  "kind": "virtual",
+  "network_adapters": {
+    "default": {
+      "ip": "172.16.63.136"
+    }
+  },
+  "type": "server",
+  "uid": "spack"
+}
\ No newline at end of file

input/grid5000/sites/lyon/servers/virtual.yaml

@@ -168,3 +168,8 @@ kavlan-agent:
   network_adapters:
     default:
       ip: 172.16.63.135
+spack:
+  kind: virtual
+  network_adapters:
+    default:
+      ip: 172.16.63.136