Idea: Website team members page could have separate section for `PMC Chair: Jia Yu`

[jbampton]

On the Apache CloudStack website team members page they start with an overview of PMC Chair: Nicolás Vázquez then list the PMC members and then list the Committers.

So we could have a section for @jiayuasu

https://projects.apache.org/committee.html?sedona

Full example at the next link:

https://cloudstack.apache.org/who