PSA: Industrial districts produce goods

[dekeche]

Found out after getting to day 80 that I should have been building industrial districts, because they produce goods. Unlike Extraction districts, which list all their possible outputs, industrial districts only list prefabs.... which isn't why you want to build them.

For reference - they produce 10 less prefabs when building goods, and produce 25 goods.

For the devs - this should really be listed in the tooltip for building an industrial district. It is shown in the tutorial, but it seems to only be shown by directly asking for it, rather than the other popups. This can cause confusion if someone is looking through their districts trying to see what district will produce goods. If it was listed in the distict, that'd clear up this confusion.