fix: add back { to flake.nix

flake.nix

@@ -1,4 +1,4 @@
-
+{
   description = "neo2005 flake";
   # Flake reused directly from https://github.com/Ahwxorg/nixvim-config/
 
@@ -9,9 +9,10 @@
   };
 
   outputs =
-    { nixvim
-    , flake-parts
-    , ...
+    {
+      nixvim,
+      flake-parts,
+      ...
     }@inputs:
     flake-parts.lib.mkFlake { inherit inputs; } {
       systems = [
@@ -22,9 +23,10 @@
       ];
 
       perSystem =
-        { pkgs
-        , system
-        , ...
+        {
+          pkgs,
+          system,
+          ...
         }:
         let
           nixvimLib = nixvim.lib.${system};