LifeSteal Server-side

• Fixed multiple death sources not all being counted. Fixes fire aspect not counting as a player kill.
• Fix invulnerability status effect not being applied when enabled
• Apply invulnerability to new players if the gamerule is enabled
• Add admin command admin-vulnerable to force invulnerable players to be vulnerable

• Fixed a bug where hearts could be duplicated when withdrawing hearts
• Added altar effects
  • Altar creation animation
  • Altar withdraw animation
  • Altar reviving animation
  • Can be disabled with the gamerule: lifesteal:altar_animations
• Readd Unruled API 2.1 as a dependency

• Updated to 1.21.11
• Switched default units to hearts for most commands and gamerules
• Temporarily removed Unruled API dependency
• Implemented limited crafting of hearts gamerule
  • Limit crafting of hearts based on current max health
  • Limit crafting to a set number of hearts that optionally reset when a player is "banned"
• Implemented preventing crafters from crafting hearts gamerule
• New textures for all blocks and items by @thomask3897

Note: All gamerules' names were updated. Some gamerules may have changed names. Please ensure that you check the wiki for the functions of all gamerules.

• Add the Totem of Rebirth
• Refactor gamerules
• Players can now drop hearts when dying to a non-player source

• Updated to 1.21.10