grafana: set automatic Restart for grafana and influxdb

influxdb seems crashy like shit on our proxmox cluster. YOLO

hosts/containers/grafana/default.nix

@@ -1,6 +1,8 @@
 { config, pkgs, lib, modulesPath, ... }:
 
-{
+let
+  restartServices = [ "grafana" "influxdb" ];
+in {
   c3d2.isInHq = false;
 
   services.openssh.enable = true;
@@ -64,6 +66,14 @@
       }];
     };
   };
+  systemd.services = builtins.foldl' (services: service:
+    services // {
+      "${service}".serviceConfig = {
+        RestartSec = 60;
+        Restart = "always";
+      };
+    }
+  ) {} restartServices;
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database