[Relaunch] Missing CI sponsor

[beta-ziliani]

Perhaps we can simply incorporate Works on Arm to the general list of sponsors?

[straight-shoota]

I'm not sure what's the deal, exactly. But incorporating them into the sponsor list sounds good to me.

[beta-ziliani]

We have a CI server from them, that's the whole deal. I guess we just add it in top_sponsors.csv, right?

[straight-shoota]

Hm, no I don't think so. I can't find a direct money equivalent for our sponsoring package, but I'm pretty sure it's well below the $5,000 corporate sponsors which we put in top_sponsors.

The terms from our sponsorship request ask for a "suitable acknowledgement":

Approved projects will be expected to provide credit back to Works on Arm in the form of a logo display, blog post, Twitter post, news release, or some other suitable acknowledgement.

So I think don't need to put it anywhere super prominent.
Maybe just a section for "Infrastructure sponsorship" on the sponsors page?