GET /models/:gift - list of all gift models. add ?sorted to sort by rarity
GET /backdrops/:gift - list of all gift backdrops. add ?sorted to sort by rarity
GET /symbols/:gift - list of all gift symbols. add ?sorted to sort by rarity
GET /gift/:gift - detailed info about a certain gift
GET /emoji/:gift - get customEmojiId mapping for a specific gift
Due to how Resistance Dog's rarity works, the methods listed above were updated and now contain such fields as
originalRarity and originalRarityPermille if our API has data on them.
