github pages
the branch 'github_pages' is set as github page
can access directly via https://weizhoublue.github.io/github-action-test/
it is used as chart registry
chart package of each version is stored on '/charts' and '/index.yaml' will be updated
it is used as gitbook
documentation is store on '/docs' , the directory is set to gitbook
can access directly via https://lanwz.gitbook.io/github_action_test/