pinwheel: Copy to clipboard via OSC 52 in Emacs so it works over SSH

hosts/pinwheel/modules/tmux/default.nix

@@ -23,6 +23,8 @@
 
         set-option -g allow-rename off
 
+        set -g set-clipboard on
+
         # Status line colors
         set -g status-fg '#${config.lib.colors.foreground}'
         set -g status-bg '#${config.lib.colors.background}'