push out local changes to branch

git push

fatal: The current branch feature has no upstream branch.
To push the current branch and set the remote as upstream, use

    git push --set-upstream origin feature

$  git push -u origin feature

Total 0 (delta 0), reused 0 (delta 0)
To github.com:collab-dev/participants/
 * [new branch]      feature -> feature
Branch 'feature' set up to track remote branch 'feature' from 'origin'.