Update adopters.csv — Add AgoraKit

[linc]

Contributor Covenant Adoption

Project name

AgoraKit

Project repository

https://github.com/agorakit/agorakit

Link to code of conduct in your project's repo or documentation

Code of conduct

Check your work!

Please double-check that you inserted the contact method for reporting incidents in the template. (Search the document for [INSERT CONTACT METHOD])

Thank you!