init sampu

flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/23.11";
+    haskell-flake.url = "github:srid/haskell-flake";
+    parts.url = "github:hercules-ci/flake-parts";
+  };
+  outputs = inputs@{ self, nixpkgs, parts, ... }:
+    parts.lib.mkFlake { inherit inputs; } {
+      systems = nixpkgs.lib.systems.flakeExposed;
+      imports = [ inputs.haskell-flake.flakeModule ];
+
+      perSystem = { self', pkgs, ... }: {
+        haskellProjects.default = {
+          basePackages = pkgs.haskellPackages;
+          packages = {
+            http2.source = "3.0.3";
+          };
+          devShell = {
+           enable = true;
+           tools = hp: { fourmolu = hp.fourmolu; };
+           hlsCheck.enable = true;
+          };
+        };
+
+        packages.default = self'.packages.sampu;
+      };
+    };
+}