notebooks

As a follow-up to #11540, we would like to add metadata to as many examples as possible. This will not only make the examples more usable as they are right now, but it will also open up new possibilities to search for and crosslink examples.

For the purpose of this issue, 'standalone examples' are all .py files in these folders in this repository:

• examples/plotting/file
• `examples/mode

Is your feature request related to a problem? Please describe.
It's cumbersome to create the same step twice.

Describe the solution you'd like
Add a button to duplicate a step in the pipeline editor.

Ideas
We could combine this with some other ideas in a context menu (right click).

Credit to Serhii Ostapchuk for contributing this on Slack.

Is your feature request related to a problem? Please describe.
The Elyra distribution includes a set of system-owned runtime image configurations to make it easier for Visual Pipeline Editor users to get started with Jupyter notebooks, Python scripts, and R scripts. Many of those configuration were created mo

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