Add install of instawow.

nix/configuration/configuration.nix

@@ -51,6 +51,7 @@ in
     ./roles/graphviz
     ./roles/hydra
     ./roles/image_based_appliance
+    ./roles/instawow
     ./roles/iso
     ./roles/iso_mount
     ./roles/jujutsu

nix/configuration/hosts/odo/default.nix

@@ -107,6 +107,7 @@
     me.graphical = true;
     me.graphics_card_type = "amd";
     me.graphviz.enable = true;
+    me.instawow.enable = true;
     me.iso_mount.enable = true;
     me.jujutsu.config = ../../roles/jujutsu/files/jujutsu_config_home.toml;
     me.jujutsu.enable = true;

nix/configuration/hosts/quark/default.nix

@@ -100,6 +100,7 @@
     me.graphical = true;
     me.graphics_card_type = "amd";
     me.graphviz.enable = true;
+    me.instawow.enable = true;
     me.iso_mount.enable = true;
     me.jujutsu.config = ../../roles/jujutsu/files/jujutsu_config_home.toml;
     me.jujutsu.enable = true;

nix/configuration/roles/instawow/default.nix

@@ -0,0 +1,25 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    instawow.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install instawow.";
+    };
+  };
+
+  config = lib.mkIf config.me.instawow.enable {
+    environment.systemPackages = with pkgs; [
+      instawow
+    ];
+  };
+}