neovim -> nixvim

home/programs/nixvim/plugins/haskell-tools.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+
+{
+  programs.nixvim = {
+    extraPackages = with pkgs; [
+      haskell.compiler.native-bignum.ghc912
+      haskellPackages.haskell-language-server
+      haskellPackages.stack
+      haskellPackages.fast-tags
+      haskellPackages.hoogle
+      haskellPackages.haskell-debug-adapter
+      haskellPackages.ghci-dap
+    ];
+
+    extraPlugins = with pkgs.vimPlugins; [
+      haskell-tools-nvim
+    ];
+  };
+}