I like the simple plastic textures, eg bare bones. Cause they're just so simple for the eyes to look at. Also reply to me when you finished ill be sure to check it out :D
Idk about the plugins/datapacks wisp uses (I think jago makes them just for wisp)But for Plugins tapl uses (they both pretty much use similar stuff)use this https://www.spigotmc.org/resources/authors/strubbe06.1086131/ (also fellow wisp fan here :D )
I know this is a week old but it is very easy to do stuff like add recipes nowadays due to some amazing people making it easy for normal peeps like us :crafting.thedestruc7i0n.ca/