New configuration options:
- TAIGA_SPAWN_RADIUS: This is used to generate a snowy taiga biome around the player starting island - up to the configured radius (0 - 64 blocks). Primarily used for One Block starts
- SCHEDULED_WANDERING_TRADER: This makes the wandering trader spawn on a schedule - at midday (6000 ticks) every 14 days - starting at day 0. Includes a countdown in the debug screen.