Add optional color component to BarChart archetype

[jleibs]

What

• Resolves: Allow users to set the color for bar charts #1355

"""Create and log a bar chart."""

import rerun as rr

rr.init("rerun_example_bar_chart", spawn=True)
rr.log("bar_chart", rr.BarChart([8, 4, 0, 9, 1, 4, 1, 6, 9, 0], color=(255, 0, 0)))

Checklist

• I have read and agree to Contributor Guide and the Code of Conduct
• I've included a screenshot or gif (if applicable)
• I have tested app.rerun.io (if applicable)
• The PR title and labels are set such as to maximize their usefulness for the next release's CHANGELOG

• PR Build Summary
• Docs preview
• Examples preview
• Recent benchmark results
• Wasm size tracking

[Wumpf]

nice! But you didn't update the cpp & rust examples (this should cause a ci failure!) as well as the doc screenshot

[jleibs]

nice! But you didn't update the cpp & rust examples (this should cause a ci failure!) as well as the doc screenshot

Oops -- didn't mean to commit the changed example because I didn't want to deal with updating screenshots.