doc: add repo/ to .hgignore and .hgtags These names were disappearing in the asciidoc output and no form of escaping seems to help. Let's just add repo/ to make it explicit that they're in the repository root.

#!/bin/sh

mkdir t
cd t
hg init
echo "invalid" > .hg/hgrc
hg status 2>&1 |sed -e "s:/.*\(/t/.*\):...\1:"