Add team data to applications (#787)
Add team data to applications (#787)

* add Team and TeamMember structs

* correct indentation

* consistency in the documentation

* fix data type for membership status

* enumerate the MembershipState

* make the linter happy

Co-authored-by: Ravy <3566fc2dba05b2b0cf56b9a4697fde075ed3de46@farfrom.earth>
bwmarrin/discordgo,iopred/discordgo