gogs to github backup

howto-git-add-remote.md

Setup:

1. Create empty repo in github (click create and do not add any readme or licence)

2. Run:

git pull
git remote add backup git@github.com:user/repo-name.git
git push -u backup master
git remote -v
git pull -v
git branch --set-upstream-to origin

Update backup and continue tracking origin:

git push -u backup master
git push -u origin master