PR comment capable of not displaying project coverage

[trent-codecov]

First phase of the work is a new PR comment that features ONLY patch coverage and a files changed table. Additionally we need to include a link to provide feedback and a link to direct people how to get the old PR comment back.

We will not roll this out to more than 5% of users at first.

The following image is what we're looking to implement.

• Note there is only "Patch" coverage in the coverage percentage column of the table.
• Designs for feedback link at the bottom are forthcoming.
• We need a clear and easy way to switch the PR comment back for some users
  • Yaml config is fine
• Rollout should be on a per org basis, so different users within the same org shouldn't see different PR comments.

Tasks

Beta Give feedback

1. Add config option to the codecov yaml to exclude project coverage
2. Modify PR comment to only display patch coverage
3. Work with product/design on adding feedback link to PR comment for this change.

Designs