Support more visualization marks

[asg017]

The current "supported" ones in this plugin are:

• Dot
• Line
• Area
• Bar
• Linear Regression

But there are 20+ more marks we could support. Which ones should we tackle first? Feel free to comment on ones you'd like to see in this issue!

[tomsing1]

It would be great to have a mark that allows for a categorical x-axis and a continuous y-axis, e.g. a boxplot.
For example, plotting culmen_depth_mm ~ species of the penguin dataset.

[declann]

I'd like to try a text mark for making pretty tables and for annotating bars or scatters! Should be pretty neat to try on multiple layers!