Add a role for 2ship2harkinian (Majora's Mask).

nix/configuration/configuration.nix

@@ -61,6 +61,7 @@
     ./roles/bluetooth
     ./roles/sm64ex
     ./roles/shipwright
+    ./roles/2ship2harkinian
   ];
 
   nix.settings.experimental-features = [

nix/configuration/hosts/odo/default.nix

@@ -68,4 +68,5 @@
 
   me.sm64ex.enable = true;
   me.shipwright.enable = true;
+  me.ship2harkinian.enable = true;
 }

nix/configuration/roles/2ship2harkinian/default.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    ship2harkinian.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install 2ship2harkinian.";
+    };
+  };
+
+  config = lib.mkIf config.me.ship2harkinian.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "2ship2harkinian" ];
+      }
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          _2ship2harkinian
+        ];
+      })
+    ]
+  );
+}