inventory/prometheus: add buna to monitored machines

inventories/default.nix

@@ -36,6 +36,7 @@
           "cursa"
           "rigel"
           "vega"
+          "buna"
         ];
 
         dm-bootstrapper = [
@@ -489,6 +490,9 @@
               exporters.smartctl = { };
               exporters.zfs = { };
             };
+            buna.settings = {
+              exporters.smartctl = { };
+            };
           };
         };