Added Staff of Stallion

[FN-FAL113]

Changes

• Added Staff of Stallion, spawns a portable skeleton horse that is rideable until passenger dismount. Right clicking the staff will add you as passenger to the skeleton horse already.
• FN Gears Boots level 6 enchantment reward frost walker changed to durability 3 enchantment

Related Issues

Checklist

• I have fully tested the proposed changes and promise that they will not break world generation, mob spawning, and the like.
• I followed the existing code standards and didn't mess up the formatting.
• I did my best to add documentation to any public classes or methods I added.
• I have added Nonnull and Nullable annotations to my methods to indicate their behaviour for null values