add some more custom config and put every thing in comment in the custom.yaml template
[core]
repositoryformatversion = 0
filemode = true
bare = false
logallrefupdates = true
[remote "origin"]
url = git://github.com/mdalessio/flexible-js-formatting.git
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
remote = origin
merge = refs/heads/master