213 code copy button

[znicholasbrown]

Thanks for contributing to Prefect!

Please describe your work and make sure your PR:

• adds new tests (if appropriate)
• updates CHANGELOG.md (if appropriate)
• updates docstrings for any new functions or function arguments, including docs/outline.toml for API reference docs (if appropriate)

Note that your PR will not be reviewed unless all three boxes are checked.

What does this PR change?

Uses the @dovy/vuepress-plugin-clipboard-copy plugin to add a copy button to all code blocks.

Why is this PR important?

It allows users to more easily interact with our tutorials and code blocks in the docs.

Notes

Depends on #1408
Closes #213

[codecov]

Codecov Report

Merging #1409 into master will not change coverage.
The diff coverage is n/a.

[cicdw]

This is legitimately one of the most exciting surprise PRs to me! Closes #213

[jlowin]

[jlowin]

@cicdw just FYI the "Closes #213" has to go in the first comment for GH to recognize it (just added)

[joshmeek]

🚀