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

Made-with: Cursor

world/town/npcs/mayor.toml

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+name = "Mayor Thorne"
+description = "A portly man with a boisterous laugh and a shrewd gaze. He wears a heavy chain of office."
+room = "town:mayors_estate"
+base_attitude = "friendly"
+class = "class:peasant"
+
+[stats]
+hp = 80
+attack = 5
+defense = 10
+xp = 100
+
+[dialogue]
+greeting = "Welcome to Thornwall! Mind the laws, and we'll get along famously."