Allow players to modify the sign style and commands in the GUI.
Some parts of the code were generated by AI.
一部分代码由 AI 生成。（结果 AI生成的除了UI外大部分不能用，AI写的UI又很奇怪，所以UI我又重写了一遍，所以准确来讲是在AI帮助下完成这个模组。）
For setup instructions please see the fabric wiki page that relates to the IDE that you are using.
This template is available under the CC0 license. Feel free to learn from it and incorporate it in your own projects.