Rail Recipe Rebalance

• Fix issue with pack manifest (thank you _fantaz_ for your help!)
• Update to 1.21.11.

• Fix issue with pack manifest (thank you _fantaz_ for your help!)
• Update to 1.21.11.

Version 0.2.1

• Fix missing recipes in overlay for 1.21.9+. (Thanks _fantaz_ for reporting this to me!)

Version 0.2.1

• Fix missing recipes in overlay for 1.21.9+. (Thanks _fantaz_ for reporting this to me!)

Version 0.2.0

• Recipe format versioning fix.
• Update copper rail recipe to use copper nuggets in 1.21.9+ (not that their mod is updated to that version yet, but eventually it will be!)