Add note about hiring to code insights org chart

Created by: Joelkw

So it's clear on the org page as well (which pulls from this page).

@felixfbecker I discussed with @jeanduplessis this week and we think it makes sense that as soon as we make our first full-time hire, we become a separate team (separate retro/standup etc) so I removed the sentence about the web team parenting us.