Add flake to test out purescript2nix

flake.nix

@@ -0,0 +1,30 @@
+{
+  inputs = {
+    nixpkgs = {
+      url = "github:NixOS/nixpkgs";
+    };
+    purescript2nix = {
+      url = "github:considerate/purescript2nix/considerate/registry";
+    };
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+    };
+  };
+  outputs = inputs:
+    inputs.flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import inputs.nixpkgs {
+          inherit system;
+          overlays = [ inputs.purescript2nix.overlay ];
+        };
+        uint = pkgs.purescript2nix {
+          src = ./.;
+        };
+      in
+      {
+        packages = {
+          default = uint;
+        };
+        defaultPackage = uint;
+      });
+}

spago.yaml

@@ -1,6 +1,10 @@
 package:
   name: "uint"
+  version: 7.0.0
   dependencies: [ "prelude", "maybe", "numbers", "enums", "gen" ]
   publish:
     license: "MIT"
     location: "https://github.com/purescript-contrib/purescript-uint.git"
+workspace:
+  set:
+    registry: 8.6.0