style: format nix code

flake.nix

@@ -6,7 +6,8 @@
     flake-parts.url = "github:hercules-ci/flake-parts";
   };
 
-  outputs = inputs @ {
+  outputs =
+    inputs@{
       self,
       nixpkgs,
       flake-parts,
@@ -19,7 +20,9 @@
         "aarch64-darwin"
       ];
 
-      perSystem = {system, ...}: let
+      perSystem =
+        { system, ... }:
+        let
           pkgs = import nixpkgs { inherit system; };
           typstar = pkgs.vimUtils.buildVimPlugin {
             name = "typstar";
@@ -29,10 +32,12 @@
               pkgs.vimPlugins.nvim-treesitter-parsers.typst
             ];
           };
-      in {
+        in
+        {
           packages = {
             default = typstar;
-          nvim = let
+            nvim =
+              let
                 config = pkgs.neovimUtils.makeNeovimConfig {
                   customRC = ''
                     lua << EOF