Feature Request: secondary datafields: next sunrise or sunset / altitude / ...

[0x53A]

Hi, thank you for this watchface, together with the pip boy it's one of my favorites!

One data field I really like in the pip boy is "Show next sun event - sunrise or sunset".
That is, if the sun is currently up, it show the time it goes down, and if it's down, it shows the time it'll next go up.
Depending on whether it's currently up, it also shows two slightly different icons.

With the whole "expanse" theme, it could also be cool to show the next moon rise/set and maybe even mars rise/set.

I'm not sure where the other faces pull the sun data from - if the watch provides it, or if they need to call a http api.

Other than that, altitude might also be useful, especially when hiking.