Use the drop-in replacement pirateweather API

[monitron]

Pirate Weather is a free (donatable) drop-in replacement for the defunct Dark Sky API and your code already works great against it. More info at https://docs.pirateweather.net/en/latest/API/ This would fix your #21 :) If you would prefer a configurable base URL instead, let me know and I can revise the PR.

I hope you're well, and thanks so much for your efforts on this package!💜