kakao_flutter_sdk_friend library

1. kakao_flutter_sdk
2. kakao_flutter_sdk_friend library

kakao_flutter_sdk package

1. Libraries
2. kakao_flutter_sdk
3. kakao_flutter_sdk_auth
4. kakao_flutter_sdk_common
5. kakao_flutter_sdk_friend
6. kakao_flutter_sdk_navi
7. kakao_flutter_sdk_share
8. kakao_flutter_sdk_talk
9. kakao_flutter_sdk_template
10. kakao_flutter_sdk_user