add nix files

Author: NickSeagull

default.nix

@@ -0,0 +1,24 @@
+{ compiler ? "ghc863", pkgs ? import <nixpkgs> {} }:
+
+let
+
+  haskellPackages = pkgs.haskell.packages.${compiler}.extend ( self: super: {
+  });
+
+  runtime = haskellPackages.callCabal2nix "aws-lambda-haskell-runtime" ./. {};
+
+in
+{
+  aws-lambda-haskell-runtime = runtime;
+  aws-lambda-haskell-runtime-shell = haskellPackages.shellFor {
+    packages = p: [runtime];
+    buildInputs = with pkgs; [
+      cabal-install
+      hlint
+      stack
+      haskellPackages.ghcid
+      haskellPackages.weeder
+      zlib
+    ];
+  };
+}

shell.nix

@@ -0,0 +1 @@
+(import ./. {}).aws-lambda-haskell-runtime-shell