feat: provide support for more archtectures

overlays/default.nix

@@ -0,0 +1,24 @@
+{ inputs, ... }: {
+  additions = final: _prev: import ../pkgs { pkgs = final; };
+  modifications = final: _prev: {
+    # example = prev.example.overrideAttrs (oldAttrs: rec {
+    # ...
+    # });
+
+    # river = prev.river.overrideAttrs (oldAttrs: rec {
+    #   pname = "river";
+    #   version = "git";
+    #   src = prev.fetchFromGitHub {
+    #     owner = "riverwm";
+    #     repo = pname;
+    #     rev = "c16628c7f57c51d50f2d10a96c265fb0afaddb02";
+    #     hash = "sha256-E3Xtv7JeCmafiNmpuS5VuLgh1TDAbibPtMo6A9Pz6EQ=";
+    #     fetchSubmodules = true;
+    #   };
+    # });
+  };
+
+  nixpkgs-stable = final: _prev: {
+    stable = import inputs.nixpkgs-stable { inherit (final) system; };
+  };
+}