Exploit patched and other fixes/features

A minor grindstone exploit was discovered and has since been patched in this build, updates will arrive onto other datapacks later on. Along with that, other fixes and cool features have been added.

fixes:

• implement grindstone scripts

  grindstones would end up in an infinite loop combined with speed uhc, they are now auto-cleared around you and from your inventory

• apply random recipe to grindstone

  structure void enjoyers are in luck

features:

• allow the grace period to be skipped

  i've had people ask about shortening the grace period many, many times before - here you are

• give 2 gold for 1.16-

technical:

• mark mode as deprecated
• improve formatting of extras
• increment version number