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

Made-with: Cursor

world/town/rooms/city_wall_west.toml

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+name = "Western Wall Walk"
+description = """\
+A high vantage point on the western fortifications. The wind howls across the crenellations. To the west, jagged hills rise against the horizon."""
+
+[exits]
+east = "town:gate"