Add doc comments to all the ChannelDeleteEvent attributes
Add doc comments to all the ChannelDeleteEvent attributes

VxJasonxV/discordrb,meew0/discordrb,VxJasonxV/discordrb,megumisonoda/discordrb,Roughsketch/discordrb,megumisonoda/discordrb,Roughsketch/discordrb,meew0/discordrb