Add flake.nix

Author: Narsil

flake.nix

@@ -0,0 +1,36 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    { nixpkgs, ... }:
+    let
+      forAllSystems = nixpkgs.lib.genAttrs [
+        "aarch64-linux"
+        "x86_64-linux"
+        "aarch64-darwin"
+      ];
+    in
+    {
+      devShells = forAllSystems (
+        system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in
+        {
+          default = pkgs.mkShell {
+            nativeBuildInputs = with pkgs; [
+              pkg-config
+            ];
+            buildInputs = with pkgs; [
+              rustup
+              libinput
+              udev
+            ];
+          };
+
+        }
+      );
+    };
+}