This isn’t possible and not a great idea if we were to migrate or change addresses in the future
I can do this for everyone in the hamburger menu. I do not want the front page to get too cluttered and overwhelm users.
In some places I’ve left links to come here, however promoting other communities within a community is often frowned upon and your links can be removed and banned depending on where you are.
At this point I do not think competitions will bring new people in unless there are promotional sales going on in the store. Of course we will do some from time to time, but they are unlikely to be very regular events.