Add time to win message

[zozs]

Add the time to the message printed when a user has won, similar to:

@linus won (1.56 s)!

[linus]

I won?! Is there a sweet 🎖️?

[zozs]

Note to self: Remember to replace my Slack username with my own Github username in future issues 😅

Also: Bonus honorary medal to @linus 🎖️. You are now an honorary member of a Slack bot you've never used. Congratulations! 🎊

[linus]

🦄 🐼 💮