update flake, add tmux

homes/julian/aspi.nix

@@ -11,6 +11,7 @@
     ./features/alacritty
     ./features/yazi
     ./features/emacs
+    ./features/tmux
 
     ./features/hyprland
 

homes/julian/features/tmux/default.nix

@@ -0,0 +1,13 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: {
+  programs.tmux = {
+    enable = true;
+    clock24 = true;
+    keyMode = "vi";
+    mouse = true;
+  };
+}