addRecentEmoji method
+1 the stated emoji in the account data
Implementation
Future<void> addRecentEmoji(String emoji) async {
final data = recentEmojis;
if (data.containsKey(emoji)) {
data[emoji] = data[emoji]! + 1;
} else {
data[emoji] = 1;
}
return setRecentEmojiData(data);
}