fix install

install.zsh

@@ -4,7 +4,7 @@
 
 dotdir="${1:-$HOME/dotfiles}"
 
-files=(.zshrc .vimrc .tmux.conf .gitconfig)
+files=(.zshrc .vimrc .tmux.conf .gitconfig .config/karabiner/karabiner.json)
 dirs=(.zsh .vim/plugin .tmux .local/bin .local/share/fonts)
 
 # backup and symlink files
@@ -12,6 +12,7 @@ for f in "${files[@]}"; do
   src="$dotdir/$f"
   dst="$HOME/$f"
   [ ! -f "$src" ] && continue
+  mkdir -p "$(dirname "$dst")"
   if [ -e "$dst" ] && [ ! -L "$dst" ]; then
     mv "$dst" "${dst}.bak"
     echo "backup: $dst -> ${dst}.bak"