Added more IMAP examples
Added more IMAP examples

sstraus/MailKit,eino-makitalo/MailKit,rajeshwarn/MailKit,jamie-dainton/MailKit,mganss/MailKit,jstedfast/MailKit,matt2003/MailKit,FubarDevelopment/MailKit,nachocove/MailKit,dsbenghe/MailKit