AS a user I should be able to see the leaderboard of the current server's moons

[Vylpes]

AS a user I should be able to see the leaderboard of the current server's moons SO THAT I can see the totals of everyone's moons

Acceptance Criteria

AS a user GIVEN I want to see the current server's leaderboard WHEN I type /moons leaderboard THEN I should see the totals of everyone in the server

Subtasks

• [ ] Create moons leaderboard command
• [ ] Update tests

Notes

• The leaderboard should only show those who have at least 1 moon and of moons that have been added in this server