Fix :files in recipes/dayone

I fix :files in recipes/dayone. Because I have added new mustache template file.
Please review and merge this PR.

  * tag.xml.mustache( https://github.com/mori-dev/emacs-dayone/blob/master/tag.xml.mustache )
  * Add dayone-add-note-with-tag()( https://github.com/mori-dev/emacs-dayone/commit/fcd97741fbe74e3766cb75cbf0a6db108d723480 )