feat: add flake support

flake.nix

@@ -6,29 +6,34 @@
   };
 
   outputs =
-    inputs@{
+    inputs@{ self, nixpkgs, ... }:
-      self,
-      nixpkgs,
-      ...
-    }:
     let
       adam-gui-libs = with pkgs; [
-    libGL pkg-config xorg.libX11.dev xorg.libXcursor xorg.libXi xorg.libXinerama xorg.libXrandr xorg.libXxf86vm
+        libGL
-    ];
-    kon-libs = with pkgs; [
         pkg-config
+        xorg.libX11.dev
+        xorg.libXcursor
+        xorg.libXi
+        xorg.libXinerama
+        xorg.libXrandr
+        xorg.libXxf86vm
       ];
+      kon-libs = with pkgs; [ pkg-config ];
       pkgs = import nixpkgs {
         system = "x86_64-linux";
         overlays = [ self.overlays.default ];
       };
 
-    in {
+    in
-      nixosModules.default = ({config, pkgs, ...}: { nixpkgs.overlays = [ self.overlays.default ]; });
+    {
+      nixosModules.default = (
+        { config, pkgs, ... }:
+        {
+          nixpkgs.overlays = [ self.overlays.default ];
+        }
+      );
       packages.x86_64-linux = rec {
-        inherit (pkgs)
+        inherit (pkgs) kon adam-gui;
-          kon
-          adam-gui;
       };
       overlays.default = final: prev: {
         kon =
@@ -40,7 +45,7 @@
             buildInputs = [
               gcc
               go
-              ] ++ adam-gui-libs;
+            ] ++ kon-libs;
 
             nativeBuildInputs = with pkgs; [
               pkg-config
@@ -83,7 +88,7 @@
               buildInputs = [
                 gcc
                 go
-                ] ++ kon-libs;
+              ] ++ adam-gui-libs;
 
               nativeBuildInputs = with pkgs; [
                 pkg-config