Even though Manga is a monolith application it would be nice to enable OpenTracing to show how to add it following the Clean Architecture principles.

The Jaeger library is a interesting starting point:

• https://github.com/jaegertracing/jaeger-client-csharp
• https://github.com/GokGokalp/OpenTracing-Jaeger-Sample/blob/master/User.API/Startup.cs

Extend NaiveForecaster to include all common naive forecasting strategies. For an overview, see this chapter.

• introduce seasonal as boolean kwarg, refactor "seasonal_last" and implement "seasonal_mean", so that we can set seasonal=True and strategy="mean" for example
• add "drift" strategy, the forecasts should be

There is already a notebook:open-with-voila command to open the voila dashboard in a new browser tab. It's in the palette and the view menu, but it would be great to have it in the preview toolbar too:

We could for example use the jp-LauncherIcon:

![image](https://user-images.g