+ Villagers only wear christmas hat
+ Guards wear boreal_warhelm
+ Gave guards christmas color lanterns
+ Grave_robbers now wear hood and hood_dark too while also dropping them at a higher rate than previously.
+ Christmas event now starts at 20th and goes till 30th of december
+ item_image_manifest.ron manifest fix
+ Created a potential boss loot table which allows the player to get the winter_cap, the boreal_warhelm, polaris lantern, and more blue cheese.
+ Updated hood_dark with another index 17 layer to prevent hair clip.
- Move loot_tables/creature/witch to loot_tables/spots/witch
- Move skillset/spots/general_max and skillset/spots/sceptre_max to
skillset/preset/max/{general,sceptre}
- Remove tabs from dwarf_grave_robber entity config file