Finally switch to flakes.

home-manager/tuiapps/tmux.nix

@@ -0,0 +1,22 @@
+{
+  # Enable tmux
+  programs.tmux = {
+    enable = true;
+    extraConfig = ''
+      set -g mouse on
+      set -g base-index 1
+      set -g default-terminal "st-256color"
+      set -g history-limit 4096
+      set -g set-titles on
+      set -g set-titles-string "#T"
+      set -g status on
+      set -g status-left ""
+      set -g status-position bottom
+      set -g status-right "#[bg=brightblack]#[fg=dark_purple] #T "
+      set -g status-style "bg=black"
+      setw -g pane-base-index 1
+      setw -g window-status-format "#[bg=brightmagenta]#[fg=black] #I #[bg=brightblack]#[fg=white] #W "
+      setw -g window-status-current-format "#[bg=brightmagenta]#[fg=black] #I #[bg=white]#[fg=black] #W "
+    '';
+  };
+}