Migrate to snowfall lib

modules/nixos/system/hw/boot/default.nix

@@ -0,0 +1,12 @@
+{ ... }: {
+  boot.loader = {
+    systemd-boot = {
+      enable = true;
+      configurationLimit = 8;
+    };
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot/efi";
+    };
+  };
+}