repo cleanup

templates/default/flake.nix

@@ -0,0 +1,25 @@
+{
+  description = "Basic project";
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+  outputs =
+    { nixpkgs }:
+    let
+      forAllSystems = nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "x86_64-darwin"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ];
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in
+        {
+          default = pkgs.mkShell { buildInputs = with pkgs; [ nixfmt-rfc-style ]; };
+        }
+      );
+    };
+}