[WIP] Add support for retrieving event class by CDP method name

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Add support for retrieving an event class by it's CDP method name</issue_title>
<issue_description>While trying to use trio-chrome-devtools-protocol, I encountered the need to dynamically retrieve an event class by it's CDP method name in order to wait_for() it or listen() to it

Is it possible to add support for that use case?

Maybe something like cdp.utils.get_event_class():

def get_event_class(method: str) -> typing.Any:
    return _event_parsers[method]
```</issue_description>

## Comments on the Issue (you are @copilot in this section)

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</comments>

• Fixes Add support for retrieving an event class by it's CDP method name #23

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