init: x13s module and packages

flake.nix

@@ -0,0 +1,25 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+  };
+
+  outputs =
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [ ./packages/part.nix ];
+
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+      ];
+
+      perSystem =
+        { pkgs, ... }:
+        {
+          devShells.default = pkgs.mkShellNoCC { packages = [ pkgs.npins ]; };
+        };
+
+      flake.nixosModules.default = import ./module.nix;
+    };
+}