doc tmux: add conform-before 動作前先確認，不過先暫時不啟用

dot_tmux.conf

@@ -87,6 +87,7 @@ bind -Troot MouseDown1Status if -F '#{==:#{mouse_status_range},window}' {
     }
     if -F '#{==:#{mouse_status_range},close}' {
         kill-pane
+        # confirm-before kill-pane
     }
     if -F '#{==:#{mouse_status_range},sv}' {
         split-pane
@@ -96,6 +97,7 @@ bind -Troot MouseDown1Status if -F '#{==:#{mouse_status_range},window}' {
     }
     if -F '#{==:#{mouse_status_range},detach}' {
         detach
+        # confirm-before detach
     }
     if -F '#{==:#{mouse_status_range},htop}' {
         new-window htop