Introduce policy for new images/packages

[mathbunnyru]

Describe your changes

I'm combing @consideRatio and @minrk ideas from #1958 and my proposal of voting from #2000.

Issue ticket if applicable

Fix: #1958

Checklist (especially for first-time contributors)

• I have performed a self-review of my code
• If it is a core feature, I have added thorough tests
• I will try not to use force-push to make the review process easier for reviewers
• I have updated the documentation for significant changes

[mathbunnyru]

@consideRatio @yuvipanda @minrk how do you feel about this?

[consideRatio]

👍 for the simplicity of this!

[consideRatio]

I think this is a great starting point, and I don't come up with suggested changed to work before merge. I think this should be approved by more people than me though!

[yuvipanda]

Honored to be a part of this, and looks good to me as a great start. I would also nominate @manics to be a part of this group if you feel ok with it, given he does a lot of work on repo2docker as well.

[minrk]

I think the principle makes good sense. I don't feel like I'm contributing much here, so I think I'd prefer not to be on the voting list.

[mathbunnyru]

Honored to be a part of this, and looks good to me as a great start. I would also nominate @manics to be a part of this group if you feel ok with it, given he does a lot of work on repo2docker as well.

Thanks for the suggestion! @manics I added you to the list. Please, tell me if you feel comfortable with this.

[mathbunnyru]

I think the principle makes good sense. I don't feel like I'm contributing much here, so I think I'd prefer not to be on the voting list.

Ok, I removed you from the list. If you ever change your mind, please, let me know 🙂

[manics]

Thanks for the suggestion! @manics I added you to the list. Please, tell me if you feel comfortable with this.

Yes, I'm happy to help, thanks for asking!