avatarUrls property Null safety
Get the avatar URL
Implementation
Map<String, String> get avatarUrls => {
"smallicon":
"https://fortnite-api.com/images/cosmetics/br/${avatarId.split(":")[1].toLowerCase()}/smallicon.png",
"icon":
"https://fortnite-api.com/images/cosmetics/br/${avatarId.split(":")[1].toLowerCase()}/icon.png"
};