`ParameterParallelCoordinates` to WLF

[anders-kiaer]

https://webviz-subsurface-example.azurewebsites.net/parameter-parallel-coordinates

Optional improvements:

• Possibility to remove parameters constant across realizations.
• Test flipping graph vertically (CSS workaround proposed in this issue comment: support vertical parallel coordinates plotly/plotly.js#6136 (comment))