[PATCH v6 3/3] emacs: add `notmuch-show-stash-mlarchive-link{, -and-go}'

* emacs/notmuch-show.el (notmuch-show-stash-mlarchive-link-alist): New defcustom of type `alist' (key = name, value = URI), containing Mailing List Archive URI's for searching by Message-Id. (notmuch-show-stash-mlarchive-link-default): New defcustom, default MLA to use when

[PATCH v6 3/3] emacs: add `notmuch-show-stash-mlarchive-link{, -and-go}'

* emacs/notmuch-show.el (notmuch-show-stash-mlarchive-link-alist): New defcustom of type `alist' (key = name, value = URI), containing Mailing List Archive URI's for searching by Message-Id. (notmuch-show-stash-mlarchive-link-default): New defcustom, default MLA to use when