Create organization profile

[aliok]

Github now allows creating organization profiles: https://github.blog/changelog/2021-09-14-readmes-for-organization-profiles/

All we need to do is create a README.md file under a profile directory in the knative/.github repo

Example:

• https://github.com/JBossOutreach/.github/tree/main/profile
• How its shown: https://github.com/JBossOutreach

[aliok]

cc @omerbensaadon @abrennan89

[dprotaso]

Moving issue to the community repo for better visiblity/tracking