update README with preview screenshot

README.md

@@ -1,3 +1,17 @@
 # nexoniarz-config-nixos
-# nexoniarz-config-nixos
-# nexoniarz-config-nixos
+
+My personal NixOS system configuration and dotfiles tailored for my daily usage and needs.
+
+![Desktop Screenshot](Assets/screenshot1.png)
+
+## Overview
+
+- **OS:** NixOS
+- **WM / Compositor:** Hyprland (Wayland)
+- **Bar / Panels:** Quickshell
+- **Terminal:** Kitty
+- **Shell:** Zsh
+
+---
+
+*Made by **Nexoniarz***

modules/apps.nix

@@ -72,5 +72,11 @@ in
     firejail
     gnupg
     lmstudio
+    kdePackages.ark
+    p7zip
+    unzip
+    unrar
+    kdePackages.gwenview
+    kdePackages. kate
   ];
 }