add example info
add example info

piranha/python-slackclient,caseyfw/slack-sounds,nosman/python-slackclient,slackhq/python-slackclient,Uberi/python-slackclient,mathieu-wang/python-slackclient,asmithdigital/slack-sounds,caseyfw/slack-sounds,Tolsadus/python-slackclient,slackapi/python-slackclient,miohtama/python-slackclient,llimllib/slackrtm,asmithdigital/slack-sounds,slackapi/python-slackclient,sqlbyme/python-slackclient,slackapi/python-slackclient