Add canonical-doc

Author: skirpichev

peps/pep-0791.rst

@@ -16,6 +16,9 @@ Post-History: `12-Jul-2018 <https://mail.python.org/archives/list/python-ideas@p
 Resolution: `23-Oct-2025 <https://discuss.python.org/t/92548/154>`__
 
 
+.. canonical-doc:: `math.integer — integer-specific mathematics functions <https://docs.python.org/3.15/library/math.integer.html>`_
+
+
 Abstract
 ========