não ter pendencia de commit na master!
- git checkout -b main
- git push -u origin main
- git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/main
- no repositório, dentro do githudb -> Settings -> Branches -> Switch default branch -> main
- git push origin --delete master
- git branch -a
copiado de: https://github.com/devsuperior/dscatalog-resources/tree/master/backend#passos-para-mudar-master-para-main-no-github