docs: add Chris Beach as a committer
docs: add Chris Beach as a committer

Jasig/uPortal,ChristianMurphy/uPortal,jonathanmtran/uPortal,ChristianMurphy/uPortal,mgillian/uPortal,jonathanmtran/uPortal,Jasig/uPortal,ChristianMurphy/uPortal,bjagg/uPortal,mgillian/uPortal,bjagg/uPortal,Jasig/uPortal,bjagg/uPortal,jonathanmtran/uPortal,mgillian/uPortal