Add term used in the specification

and that can be also used in DEPLOY.rst

docs/source/glossary.rst

@@ -23,6 +23,12 @@ Glossary
         :term:`bandwidth list file` s. Often used as a synomym for
         :term:`scanner`.
 
+   bandwidth list file
+        The file generated by :term:`generator` s that is read by the
+        :term:`directory authority` s and included in their votes.
+        See `bandwidth-file-spec.txt <https://gitweb.torproject.org/torspec.git/tree/bandwidth-file-spec.txt>`_
+        to know about the file specification.
+
    sbws scanner
         The sbws command that a :term:`bandwidth authority` runs continuously
         to gather information about how fast Tor relays are. The results from