Clan war stats buff

[Marcel-1]

On the current clan war page it would be nice to see the average crowns each clan has achieved in the last 10 wars. It’s a quick look to understand how difficult the war will be to win. If you’re feeling ambitious you could also add stdev, min/max crowns, etc.

Edit: I thought more about this and realized this repository is for the API and not feature request for royaleapi.com which is what this request was for. Feel free to delete or tell me to delete this comment if you prefer.