DeepslateCutting

• Fixes #1
• Added new message on startup for server owners telling them that if deepslate extras are on they will need to tell their clients they need it on too

• My smooth brain forgot the loot tables for deepslate walls, stairs and blocks

• New features: Regular deepslate variants of cobbled deepslate slabs, stairs and walls
• Added the recipes that my smooth brain missed
• Added a config system to toggle the regular deepslate stuff. OFF by defualt

The project has been updated to root project 'DeepslateCutting'. No changelog was specified.