enable copy paste for inline examples

We need to add some CSS and JS so the Python inline examples (the ones that start with >>> can be copied). This is how a non-Python example looks like:

If the user clicks on the window, it’ll copy the code. This is how a Python example looks like:

We should add the window-like CSS and the copy functionality - the CSS and JS is already there, we just need to connect them with these other types of examples.

Source: https://docs.ploomber.io/en/latest/api/_modules/tasks/ploomber.tasks.PythonCallable.html#ploomber.tasks.PythonCallable

[edublancas]

Yes, only doctests (any code block that starts with >>>)

[e1ha]

For automating the copy paste and window-like CSS and js does that only apply to the doctests?