Add tmux configuration

modules/packages/tmux.nix

@@ -1,16 +1,38 @@
-{ ... }: 
+{ pkgs, ... }: 
 
 {
-  # TODO: Port changes over from dots and streamline workflow
   programs.tmux = {
     enable = true;
-    prefix = "C-Space";
     customPaneNavigationAndResize = true;
     baseIndex = 1;
+    plugins = with pkgs; [
+      tmuxPlugins.resurrect
+    ];
     extraConfig = ''
-      bind v split-window -v
-      bind c split-window -h
-      bind n new-window
+      # Neovim
+      set-option -sg escape-time 10
+      set-option -g focus-events on
+
+      # vi mode
+      set -g mode-keys vi
+      set -g status-keys vi
+
+      # Rebind prefix key to C-a
+      set -g prefix C-a
+      bind C-a send-prefix
+      unbind C-b
+
+      # Clipboard
+      set -ga update-environment WAYLAND_DISPLAY
+      bind Escape copy-mode
+      bind p run-shell 'tmux set-buffer -- "$(wl-paste -t "text/plain;charset=utf-8")"; tmux paste-buffer'
+      bind -T copy-mode-vi 'v' send -X begin-selection
+      bind -T copy-mode-vi 'y' send -X copy-pipe 'wl-copy'
+      set -s set-clipboard off
+
+      # Status bar
+      set -g status-style bg=default
+      set -g status-fg 4
     '';
   };
 }