Establish maintainers of operatorframework.io top level site

[asmacdo]

Currently, our 2 subdomains sdk and olm are owned by the respective working groups, but there is no working group that maintains the top level site.

[jmrodri]

The repo is https://github.com/operator-framework/operator-framework.io

[asmacdo]

@jmrodri This wasn't just to know the repo, I was hoping to get a group together that would be responsible for working on it :)

[jmrodri]

@asmacdo um I closed the wrong issue sorry. I meant to keep it open. The repo comment was to remind folks where it was.