Added Styxia dimension

utilizes custom portal API

• 6 new biomes
• 2 new entities
• 5 new structures
• additional advancement branch
• 3 new gear sets and more materials
• 5 new brick sets and 1 new wood set
• 2 new armor trims (including overgrowth which is now accessible)
• new status effect
• added exploration maps of Chambers and Styxia Portal to villager trades and more :3