some changes

configuration.nix

@@ -78,6 +78,18 @@
 	nvidiaSettings = true;
   };
 
+  qt = {
+    enable = true;
+    platformTheme = "kde";
+    style = "kvantum";
+  };
+
+  environment.sessionVariables = {
+    QT_PLUGIN_PATH = [ "${pkgs.kdePackages.qtstyleplugin-kvantum}/lib/qt-6/plugins" ];
+  };
+
+  programs.zsh.promptInit = "source ${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k/powerlevel10k.zsh-theme";
+
   # Configure keymap in X11
   services.xserver.xkb = {
     layout = "us";
@@ -120,6 +132,7 @@
   fonts.packages = with pkgs; [
     geist-font
     jetbrains-mono
+    nerd-fonts.symbols-only
   ];
 
   # Install firefox.

packages.nix

@@ -9,6 +9,7 @@
     btop  
     nvtopPackages.nvidia # чтобы чекать загрузку 3060
     ntfs3g
+    kdePackages.qtstyleplugin-kvantum
  
     # софт
     firefox