add tmux keybind

Author: sasaplus1

tmux/.tmux.conf

@@ -124,3 +124,6 @@ bind C-t popup -E -xC -yC -w90% -h90% -d '#{pane_current_path}' "$TMUX_SHELL ||
 
 unbind C-q
 bind C-q popup -E -xC -yC -w90% -h90% -d '#{pane_current_path}' "$TMUX_SHELL || $SHELL || /bin/bash || /bin/sh"
+
+unbind -T copy-mode-vi y
+bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "pbcopy"