Additional attribute plot types (dot, strip, density)

[JakeWags]

Does this PR close any open issues?

Closes #249

Give a longer description of what this PR addresses and why it's needed

This PR adds the ability to change the plot displayed in the attribute columns for a given attribute.

The options are: Box Plot, Strip Plot, Dot Plot

Question: For dot plots, should jitter be introduced? As is, there is not jitter and so these behave very similarly to the strip plot option. See photo in comments for jitter example.

Provide pictures/videos of the behavior before and after these changes (optional)

Example of dot plot, strip plot, and box plot on three different attributes:

Have you added or updated relevant tests?

• [ ] Yes
• [X] No changes are needed

Have you added or updated relevant documentation?

• [X] Yes
• [ ] No changes are needed

Are there any additional TODOs before this PR is ready to go?

No

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[JakeWags]

Added jitter for dot plots in https://github.com/visdesignlab/upset2/pull/366/commits/94a7205ddcbf4f6aeb092dbe9f6425c35d6f0edb note that rows under or equal to size 5 will have no jitter.

Jitter is seeded based on row size and dot index. This ensures that re-renders do not trigger any jitter updates. This makes the jitter consistent for a row, no matter the context, addressing one of my main gripes about jitter in dot plots.

[JakeWags]

Density Plot example: