[fix] fmt: change formatter to nixfmt-rfc-style

Alejandra has ads and splits files into too many new lines.

machines/capricorn/default.nix

@@ -1,4 +1,5 @@
-{nixos-hardware}: {
+{ nixos-hardware }:
+{
   imports = [
     # Include the results of the hardware scan.
     ./hardware-configuration.nix
@@ -9,8 +10,8 @@
   ];
   fileSystems = {
     # Setup extra filesystem options
-    "/".options = ["compress=zstd"];
-    "/home".options = ["compress=zstd"];
+    "/".options = [ "compress=zstd" ];
+    "/home".options = [ "compress=zstd" ];
     "/nix".options = [
       "compress=zstd"
       "noatime"

machines/capricorn/hardware-configuration.nix

@@ -6,8 +6,9 @@
   lib,
   modulesPath,
   ...
-}: {
-  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
+}:
+{
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
   boot = {
     initrd = {
       availableKernelModules = [
@@ -16,22 +17,22 @@
         "usb_storage"
         "sd_mod"
       ];
-      kernelModules = [];
+      kernelModules = [ ];
     };
-    kernelModules = ["kvm-intel"];
-    extraModulePackages = [];
+    kernelModules = [ "kvm-intel" ];
+    extraModulePackages = [ ];
   };
   fileSystems = {
     "/" = {
       device = "/dev/disk/by-label/NIXROOT";
       fsType = "btrfs";
-      options = ["subvol=root"];
+      options = [ "subvol=root" ];
     };
 
     "/nix" = {
       device = "/dev/disk/by-label/NIXROOT";
       fsType = "btrfs";
-      options = ["subvol=nix"];
+      options = [ "subvol=nix" ];
     };
 
     "/home" = {
@@ -45,7 +46,7 @@
     };
   };
 
-  swapDevices = [{device = "/dev/disk/by-label/NIXSWAP";}];
+  swapDevices = [ { device = "/dev/disk/by-label/NIXSWAP"; } ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's