ponder Legacy

Bringing back the reflections from higher versions to 1.12.2

It is still in beta and not yet stable, but it is definitely usable.

For detailed usage instructions, please refer to the GitHub wiki.

Please provide feedback on GitHub if you encounter any problems.

将高版本的思索带回1.12.2

目前仍为测试版本，尚不稳定，但已一定可用。

具体使用方法参考github wiki。

有问题请前往github反馈。