"make a leaderboard script for workspace where the leaderboard is sorted by player's coin value and add comments to the script"

-- server script (ServerScriptService) 
local function updateLeaderboard()
    -- Get all players in the game 
    local players = game.Players:GetPlayers()

-- Sort players by their coin value 
    table.sort(players, function(a, b)
        return a.leaderstats.Coins.Value > b.leaderstats.Coins.Value
    end)

-- Update the leaderboard 
    local leaderboard = game.Workspace.Leaderboard
    for i, player in ipairs(players) do
        local nameTag = leaderboard:FindFirstChild(player.Name)
        if not nameTag then
            nameTag = Instance.new("TextLabel")
            nameTag.Name = player.Name
            nameTag.Parent = leaderboard
        end
        nameTag.Text = i .. ". " .. player.Name .. ": " .. player.leaderstats.Coins.Value .. " Coins"
        nameTag.Position = UDim2.new(0, 0, (i - 1) * 0.1, 0)
    end
end

-- Connect the updateLeaderboard function to the Players.PlayerAdded event 
game.Players.PlayerAdded:Connect(function(player)
    player.leaderstats.Coins.Changed:Connect(updateLeaderboard)
end)

-- Update the leaderboard initially 
updateLeaderboard()