toaster: basic config, nixpkgs-fmt

hosts/toaster/zfs.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, ... }: {
+  services.fstrim.enable = true;
+  services.zfs = {
+    autoSnapshot.enable = true;
+    trim.enable = true;
+    autoScrub = {
+      enable = true;
+      pools = [ "toasterpool" ];
+    };
+  };
+  networking.hostId = "dca22577";
+  boot = {
+    kernelPackages = pkgs.zfs.latestCompatibleLinuxPackages;
+    supportedFilesystems = [ "zfs" ];
+    kernelParams = [ "nohibernate" ];
+    plymouth.enable = false;
+    tmpOnTmpfs = true;
+  };
+}