add Guild.icon_url_as
add Guild.icon_url_as

Guild icons can also be up to 1024px, jpg, png, or webp

imayhaveborkedit/discord.py,rapptz/discord.py,Harmon758/discord.py,mgardne8/discord.py,khazhyk/discord.py,Harmon758/discord.py,Rapptz/discord.py