Prometheus Node Exporter metrics configured.

nixos/roles/prometheusNodeExporter.nix

@@ -10,15 +10,19 @@
       "arp"
       "bcache"
       "btrfs"
+      "boottime"
       "dmi"
+      "exec"
       "fibrechannel"
       "infiniband"
+      "netisr"
       "nfs"
       "nvme"
       "powersupplyclass"
       "rapl"
       "selinux"
       "tapestats"
+      "thermal"
       "thermal_zone"
       "udp_queues"
       "xfs"