Rename find to find_channel and add a (deprecated) alias
Rename find to find_channel and add a (deprecated) alias

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