Add world content: warden class, druids guild, sylvan race, town expansion, whispering_woods region

Made-with: Cursor

world/whispering_woods/npcs/treant.toml

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+name = "Ancient Treant"
+description = "A massive, tree-like creature with bark-like skin and branches that move like limbs. Its eyes are deep, wisdom-filled pools of light."
+room = "whispering_woods:ancient_oak"
+base_attitude = "neutral"
+class = "class:creature"
+
+[stats]
+hp = 500
+attack = 25
+defense = 20
+xp = 1000
+
+[dialogue]
+greeting = "The forest remembers... and it watches."