update dotfiles

.zsh.d/40-always-tmux.zsh

@@ -1,4 +1,4 @@
-if [[ "$TERM" == screen-256color ]] || [[ -n "$TMUX" ]]; then
+if [[ "$TERM" == screen-256color ]] || [[ -n "$TMUX" ]] || [[ "${TERM_PROGRAM}" == "code" ]]; then
   return 1
 fi
 
@@ -9,4 +9,4 @@ if tmux list-sessions && (tmux list-sessions | test -n "$0"); then
   tmux attach-session -t $session_id \; set-option destroy-unattached
 else
   tmux new-session -s base
-fi
+fi