Always amazed people can create very detailed worldbuildings, but for my grounded story, 'Hard Worldbuilding' is not essential. I don't even know the name of my village or even the world (does that really matter to my story?). So you can say my method is bottom-up worldbuilding.
However i still like to make some fun info on the side when there's enough story content to show. So in my comic's side content (MAOR: extras), I currently have 2 entries of Extras 101.
2. MATH & CURRENCY https://tapas.io/episode/2012373
Another way I show a bit of worldbuilding is: i give one small "facts" every 2 weeks on my Twitter. Currently at #31, I'm going to keep adding to reach 100 facts. They're all compiled in my comic site here.