~/.muttrc: Support search using notmuch.

.muttrc

## changing mailboxes
bind  index n next-unread-mailbox
## searching using notmuch
macro index S "<enter-command>unset wait_key<enter><shell-escape>mutt-notmuch.py ~/.mails/temporary/search<enter><change-folder-readonly>+temporary/search<enter>" "search mail (using notmuch)"
# colors
source $HOME/t/mutt-colors-solarized/mutt-colors-solarized-dark-16.muttrc