feat: added website template

templates/website/parts/config/devshells.nix

@@ -0,0 +1,52 @@
+{
+  pkgs,
+  config,
+  ...
+}:
+{
+  haskellProjects.default = {
+    devShell = {
+      enable = true;
+
+      tools = hp: {
+        inherit (hp)
+          cabal-fmt
+          haskell-language-server
+          ;
+
+        inherit (pkgs)
+          dhall
+          dhall-json
+          dhall-lsp-server
+          helix-gpt
+          age
+          just
+          nil
+          nixd
+          sops
+          ssh-to-age
+          nixfmt-rfc-style
+          libz
+          ngrep
+          stripe-cli
+          vscode-langservers-extracted
+          zlib
+          ;
+        inherit (pkgs.elmPackages)
+          elm
+          elm-format
+          elm-land
+          elm-language-server
+          elm-review
+          elm-test
+          ;
+        inherit (pkgs.haskellPackages)
+          nixfmt
+          ;
+      };
+
+      hlsCheck.enable = true;
+      mkShellArgs.shellHook = "${config.pre-commit.installationScript}";
+    };
+  };
+}