feat(zeus): install Prism Launcher

configs/nixos/hosts/pikachu/default.nix

@@ -38,7 +38,7 @@
   };
 
   guests.valheim = {
-    enable = true;
+    enable = false;
     vlan = 20;
     address = "10.23.20.197";
     steamPath = "/pikachu/data/steamcmd";

configs/nixos/hosts/zeus/default.nix

@@ -45,6 +45,7 @@
   modules.desktop.enable = true;
   modules.desktop.apps.bambu-studio.enable = true;
   modules.desktop.apps.obsidian.enable = true;
+  modules.desktop.apps.prismlauncher.enable = true;
   modules.desktop.apps.r2modman.enable = true;
   modules.desktop.emulation.enable = true;
   modules.desktop.apps.signal.enable = true;

configs/nixos/modules/desktop/apps/prismlauncher.nix

@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  pkgs,
+  util,
+  ...
+}:
+# Prism Launcher manages Minecraft instances.
+let
+  user = config.user.name;
+in
+{
+  options.modules.desktop.apps.prismlauncher.enable =
+    lib.mkEnableOption "Prism Launcher, a Minecraft launcher";
+
+  config = lib.mkIf config.modules.desktop.apps.prismlauncher.enable {
+    home-manager.users.${user}.home.packages = [ pkgs.prismlauncher ];
+
+    registry.window-icon.${config.networking.hostName}.prismlauncher = {
+      class = "PrismLauncher";
+      icon = util.glyph "f11b";
+    };
+  };
+}