I\'ve forked a repo that has gh-pages set as it\'s default branch. They\'re hosting it on a custom domain, so there is a custom CNAME file.
gh-pages
CNAME
I\'m
I would suggest renaming the "branch" in your fork to something other than gh-pages, that should prevent it from triggering builds, but will still allow you to pull request to the gh-pages on the upstream parent.