Hopper Speed Simulator

• Added permissions for every command (Junner1st)
• Rename ticks-per-item sub-command to ticks-per-transfer for consistency

• Fix warning being printed in the console for stacks being too large

• Fixed lithium compatibility
• Removed Omni-hopper compatibility

• Fixed MixinSquared maven changes
• Fixed Lithium class path changes
• Updated to 1.21.4

Added compatibility with Omnihopper mod.