Makes mob spawners unbreakable.
You cannot mine them.
Thats it.
Uses blockHardness = -1 as well as some data tags
NEW in 1.21.1+ , a config file lets you toggle if this appiles to the new Trial spawners
Example:
https://github.com/Lothrazar/UnbreakableSpawner/blob/trunk/1.21.1/examples/unbreakables-common.toml

