Better approach to register plugins

[kaushikb11]

What does this PR do?

Better approach to register plugins

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[ananthsub]

Eventually would we enable plugins outside this repo to add to this registry?

[SeanNaren]

I'll approve but as ananth said, let's save the other config for a separate PR!

I have a few concerns of the name we gave ddp with find_unused_params=false since its quite long and I'd like the alias to be as small as possible :)

Eventually would we enable plugins outside this repo to add to this registry?

How would you envision this? I think other repos can add to the registry as normal, however these would be localized to the users' repository

[kaushikb11]

I have a few concerns of the name we gave ddp with find_unused_params=false since its quite long and I'd like the alias to be as small as possible :)

Haha, @SeanNaren. I wasn't the biggest fan of the name either lol. Suggestions are welcome :))

[codecov]

Codecov Report

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The diff coverage is 100%.

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[Borda]

lgtm