add loading using qiscusLoading when user not logged in to qiscus server yet
add loading using qiscusLoading when user not logged in to qiscus server yet

qiscus/qiscus-sdk-ios,qiscus/qiscus-sdk-ios,qiscus/qiscus-sdk-ios,qiscus/qiscus-sdk-ios,qiscus/qiscus-sdk-ios