treewide: Use nixfmt for formatting

pkgs/starbound/default.nix

@@ -1,19 +1,21 @@
-{ stdenv
-, lib
-, makeWrapper
-, patchelf
-, steamPackages
-, replace-secret
-,
+{
+  stdenv,
+  lib,
+  makeWrapper,
+  patchelf,
+  steamPackages,
+  replace-secret,
 }:
 let
   # Use the directory in which starbound is installed so steamcmd
   # doesn't have to be reinstalled constantly (we're using DynamicUser
   # with StateDirectory to persist this).
-  steamcmd = steamPackages.steamcmd.override {
-    steamRoot = "/var/lib/starbound/.steamcmd";
-  };
-  wrapperPath = lib.makeBinPath [ patchelf steamcmd replace-secret ];
+  steamcmd = steamPackages.steamcmd.override { steamRoot = "/var/lib/starbound/.steamcmd"; };
+  wrapperPath = lib.makeBinPath [
+    patchelf
+    steamcmd
+    replace-secret
+  ];
 in
 stdenv.mkDerivation {
   name = "starbound-update-script";