Legend checkbox

[sverhoeven]

Fixes #111

TODO

• checkboxes
  • timeseries
  • vertical profiles
  • skewt
• swap colors checkbox, checked should be white and unchecked should be black
• hover on line should highlight legend and vice versa

[Peter9192]

• swap colors checkbox, checked should be white and unchecked should be black

Might be even nicer if checkbox color was consistent with legend item color

Also, would be nice if the whole legend items worked as toggle, not just the checkbox itself.

[Peter9192]

Fixed line wrapping in legend + colors + label clicking. Tailwind checkbox with label click didn't work, so now using regular checkbox. Tailwind didn't like dynamic value of width, so setting style explictly.

[Peter9192]

• hover on line should highlight legend and vice versa

Don't think that's necessary with current layout.