[NixOS] Add some essential packages

nixos/essential.nix

@@ -41,6 +41,7 @@ in
     # Haskell Desktop
     haskellPackages.imalison-xmonad
     haskellPackages.imalison-taffybar
+    haskellPackages.notifications-tray-icon
     haskellPackages.gtk-sni-tray
     haskellPackages.status-notifier-item
     haskellPackages.dbus-hslogger
@@ -79,10 +80,11 @@ in
     htop
     ncdu
     lsof
-    tzupdate
+    pass
     rcm
     ripgrep
     silver-searcher
+    tzupdate
     tmux
     usbutils
     wget

nixos/flake.nix

@@ -24,10 +24,13 @@
       url = path:../dotfiles/config/taffybar/taffybar;
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    notifications-tray-icon = {
+      url = github:IvanMalison/notifications-tray-icon/master;
+    };
   };
   outputs = {
     self, nix, nixpkgs, nixos-hardware, home-manager, taffybar, xmonad,
-    xmonad-contrib
+    xmonad-contrib, notifications-tray-icon
   }:
   let forAll = ({ ... }: {
     nix = {
@@ -38,6 +41,7 @@
     };
     nixpkgs.overlays = [
       nix.overlay taffybar.overlay xmonad.overlay xmonad-contrib.overlay
+      notifications-tray-icon.overlay
     ];
     imports = [
       home-manager.nixosModule