Modernize penguins example and compliance

[philippjfr]

• Made plots height responsive
• Switched to FastListTemplate
• Fix selection on violin
• Clean up sidebar
• Add clear button

[hoxbro]

Just noting, I can't use lasso select on the current Palmer Panguins

[MarcSkovMadsen]

The issue a reported bug with HoloViews on this.

[philippjfr]

Works fine in the version I have checked in here.

[maximlt]

Just noting that there was indeed an issue opened on HoloViews on this, and it was found that this was because the element used was Scatter instead of Points.

[github-actions]

Your changes were successfully integrated in the dev site, make sure to review
the pages of the projects you touched before merging this PR: https://holoviz-dev.github.io/examples/.
You can also download an archive of the site from the workflow summary page which comes in handy
when your dev site built was overriden by another PR (we have a single dev site!).

[github-actions]

Your changes were successfully integrated in the dev site, make sure to review
the pages of the projects you touched before merging this PR: https://holoviz-dev.github.io/examples/.
You can also download an archive of the site from the workflow summary page which comes in handy
when your dev site built was overriden by another PR (we have a single dev site!).