[Draft] Create Locale files for emoji descriptions

[Fintasys]

Add Emoji set language files for

• German
• Japanese

Usage

EmojiPicker(
         textEditingController: _controller,
         scrollController: _scrollController,
         config: Config(
             emojiSet: _getEmojiLocale(locale),
        ),
)

List<CategoryEmoji> _getEmojiLocale(String locale) {
    switch (locale) {
      case "ja":
        return emojiSetJapanese;
      case "de":
        return emojiSetGerman;
      default:
        return emojiSetEnglish;
    }
}