Watchface: add weather option to Casio style watchface

[Ghoelian]

Adds the option to turn one of the segments on the Casio watchface into weather.

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[rnwgnr]

Das PR does not apply anymore due to the recent changes in the weather subsystem - would be cool to have this updated against the current state of main.

[Ghoelian]

Ah alright, I'll look into getting it updated when I get the time.

[Ghoelian]

I've updated my branch, seems to be working on my watch.

[rnwgnr]

Updated my watch and it works like a charm as it did before. Thanks.

Would be nice to see this included in 1.16.

[tituscmd]

Would it be possible to choose which segment is replaced by weather?
I made a hardcoded version of your idea as well a while back, but I replaced WeekNumber instead. If you could implement a way to choose which segment is replaced, we could essentially merge those ideas into one big PR.

[Ghoelian]

Would it be possible to choose which segment is replaced by weather? I made a hardcoded version of your idea as well a while back, but I replaced WeekNumber instead. If you could implement a way to choose which segment is replaced, we could essentially merge those ideas into one big PR.

Yeah I think I can do that, doesn't sound too difficult.

[tituscmd]

For reference, I put the weather icon to align top left at 10, 22 and the temperature to align top left 45, 22
Feel free to just copy these or take them as a reference point for improving the looks of it.