[+] webhook for winner
[+] improved default webhook looks
[+] option for thumbnail url in webhook

  webhook:
    url: ''
    title: '%type% Challenge'
    message: '[!] First Player to **Eat** `%num%` `%item%` will win!! 🎁'
    thumbnail: ''
    winner: '**%player%** won the **Eat** challenge!! 🎉'