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

Made-with: Cursor

world/town/rooms/armory.toml

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+name = "City Armory"
+description = """\
+Racks of spears, halberds, and swords fill this well-fortified room. The smell of leather, oil, and cold iron is overpowering. Several guards are busy polishing equipment."""
+
+[exits]
+south = "town:forge"