>>96349304 (OP)
I don't think this is good advice, to be honest.
There are a few major schools of worldbuilding for games. This is ignoring the possibility that you just like worldbuilding for its own sake; you want something nice, cheap, and easy.
1. "I don't want to use FR, Exandria, or other fairly-generic fantasyland, I want to use my own." In this case, grab at least one god that interests you for every cleric domain, then plant a town next to a dungeon, explain both, and go. Your interesting worldbuilding will be in the history of the town, the people who live in it, etc.
2. "I want a style that's different from standard fantasyland." In this case, you'd be better advised to use a mood board and slap it on your GM screen. It should be cool. "Check out these monsters you'll fight, the cool outfits you'll wear, the people you'll protect." Then just write down the big picture funny things (minimize the number of bullet points), and hand it off to the players.
3. "I want to just shovel whatever I think is cool into my setting, whenever I think it's cool." You're already done, my friend. Just write down "everything from Kenshi," "Scarlet Rot from Dark Souls," "Sheika tech from Breath of the Wild," "Tyrannosaurus Rex," "warforged and changelings" and "Jedi/Sith" in your notebook, and you're done. Maybe gussy it up a little for your players by changing the names, if you must - though, honestly, explaining it like that may work better.