Added the most basic OpenRGB install setup

modules/common/applications/openrgb.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, lib, ... }:
+{
+  options = {
+    openrgb = {
+      enable = lib.mkEnableOption {
+        description = "Enable OpenRGB";
+        default = false;
+      };
+    };
+  };
+  config = lib.mkIf (config.gui.enable && config.openrgb.enable) {
+    home-manager.users.${config.user} = {
+      home.packages = [
+        pkgs.openrgb-with-all-plugins
+      ];
+    };
+  };
+}