新仓库还未创建任何分支时，Developer角色时首次提交代码，抛如下异常
remote: GitLab:
remote: A default branch (e.g. master) does not yet exist for galaxy/apache-jspf-project
remote: Ask a project Owner or Maintainer to create a default branch:
remote:
remote: http://192.168.8.9/galaxy/spf-project/-/project_members
remote:
error: failed to push some refs to 'http://192.168.8.9/galaxy/spf-project.git'
To http://192.168.8.9/galaxy/spf-project.git
! refs/heads/master:refs/heads/master [remote rejected] (pre-receive hook declined)
Done
无权限创建默认分支 ，解决办法有两个：
1.要管理员第一次推代码创建master分支。
2.把我改成Maintainer角色亦可