Update README.md

Author: TelepathicGrunt

Diff for: README.md

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 **Change the Github branch to see other versions of this tutorial including for Fabric!**
 
  This very small Forge mod is full of comments that will help you understand what a lot of the json files and what needs to be done to get your structure to generate. In all, minimum number of files for a structure is 4 json files and 1 nbt file. The json_only_house structure is made using just json files while the code_structure_sky_fan structure is mostly json files but has a custom java structure class to do extra behavior for it. Another tutorial you can check out for extra info that may be laid out much cleaner and easier to understand: https://misode.github.io/guides/adding-custom-structures/
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+Another guide: https://gist.github.com/GentlemanRevvnar/98a8f191f46d28f63592672022c41497
 
 If you don't know how to make a nbt file for structures, it's actually fairly simple and you can do it all inside minecraft itself! Here is a video on how to make and save a structure to nbt using structure blocks. Here's a short video on how Structure Blocks work: 
 >https://www.youtube.com/watch?v=umhuRXinD3o