add build badge & remove reference to circleCI

[JeffGreiner-eaton]

Fixes BLUI-5710.

Changes proposed in this Pull Request:

• add build badge for Github workflow
• remove circleCI references in publish readme
• update blui-ci name space to Build

Screenshots / Screen Recording (if applicable)

-

To Test:

-

Any specific feedback you are looking for?

-

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 73c8715):

https://blui-react-docs--pr875-fix-blui-5710-update-om82ji7x.web.app

_{(expires Fri, 03 May 2024 17:32:28 GMT)}

_{🔥 via Firebase Hosting GitHub Action 🌎}

_{Sign: 34d39fa5aab0ea0cf95074e8e76f68829e7a8c65}