Compare multiple (>2) traces in one plot

[fsktom]

Currently, you can either plot one trace or compare two traces (a bit related: #26 ). Would be nice if in the UI you could ask the user how many traces (with a hard cap) and then just loop through it. I wonder what the performance impact would be heh

[fsktom]

Maybe an interesting one would be a function where you can compare all songs from an album?
Or all albums from an artists?

[fsktom]

^ see #33

[fsktom]

Maybe use legend groups for this

See #61 and plotly/plotly.rs#154 (comment)

[fsktom]

https://stackoverflow.com/a/69107589

Create a trait (that's implemented for Scatter/every Trace impl?) that changes the title or w/e
So that I don't have to downcast the dyn Trace objects

[fsktom]

^not plausible

I think I'll just create an enum smh for Box<Scatter<String, usize>> and Box<Scatter<String, f64>>

[fsktom]

^implemented in c002ec7