working flake-parts

flake.nix

@@ -6,6 +6,11 @@
         systems = [
           "x86-64_linux"
         ];
+        imports = [
+          inputs.treefmt-nix.flakeModule
+          ./flake/shell.nix
+          ./flake/fmt.nix
+        ];
         flake = {
           nixosConfigurations = import ./hosts {inherit inputs withSystem;};
         };
@@ -53,6 +58,13 @@
       inputs.hyprland.follows = "hyprland";
     };
 
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+
+    devshell = {
+      url = "github:numtide/devshell";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     neovim-flake = {
       url = "github:notashelf/nvf";
       inputs.nixpkgs.follows = "nixpkgs";