rest of the split migration

modules/dev/go/nixos.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  feature = import ./common.nix { inherit pkgs; };
+in
+{
+  options = {
+    my.dev.go = {
+      enable = lib.mkEnableOption "Install Go tooling globally";
+      users = lib.mkOption {
+        type = inputs.self.lib.usersOptionType lib;
+        default = config.my.toggleUsers.dev;
+        description = "Users to install Go packages for";
+      };
+    };
+    devShells.go = lib.mkOption {
+      type = lib.types.package;
+      default = feature.devShell;
+      description = "Go development shell with Emacs tooling, REPL, formatter, and linter";
+    };
+  };
+}