Warn users that resources may be left behind if interrupting dss initialize, dss create

[ca-scribner]

Why it needs to get done

If a user does:

dss create
# wait a few seconds, but not long enough to create the notebook
ctrl+c

the dss create command is interrupted but likely has created a notebook already. We should warn the users about this. An option could be to add a signal handler in main.create_notebook_command() like:

import signal

def create_notebook_command(...):
    def signal_handler(sig, frame):
        logger.info(f"`dss create` cancelled.  This may leave a notebook behind in your environment - use `dss list` to find the notebook and `dss remove {name}` to remove it")
        click.get_current_context().exit(1)
    signal.signal(signal.SIGINT, signal_handler)

    ...

ref

We can add a similar warning to dss initialize

What needs to get done

.

When is the task considered done

dss create and dss initialize gracefully handle SIGINT, warning the users of potential consequences and how to address them

[syncronize-issues-to-jira]

Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/KF-5647.

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