The command /leaderboard will prompt a message within Telegram to show top 3 users within the leaderboard for all time spans (All Time, Monthly, Weekly, Daily).
Furthermore, it provides a button to open up the full leaderboard within the WebApp.
If there is a Competition ongoing, this command will prompt the leaderboard of the current competition including a Button to it´s full leaderboard.
There is a rate limit for this command to prevent spamming
