[Doc] homepage 404

[cnsky1103]

Search before asking

• [X] I searched in the issues and found nothing similar.

What issue do you find in Pulsar docs?

homepage 404 not found

What is your suggestion?

any websites under pulsar.apache.org is 404, please check if the server works

Any reference?

No response

Are you willing to submit a PR?

• [ ] I'm willing to submit a PR!