add project label to namespace when used within an app (#1143)

[jsilverio22]

Signed-off-by: Joshua Silverio joshua@acorn.io

Checklist

• All relevant issues are referenced in this PR
• The title of this PR would make a good line in the Release Note's Changelog
• Commits are signed-off using git commit -s
• Automated tests added to cover the changes. If tests couldn't be added, an explanation is provided in the Verification and Testing section.

Proposed Changes

Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request
This PR allows users to use pre-created namespaces within the project ecosystem once an app is run within that namespace

User-Facing Change?

Does this PR introduce a user-facing change in functionality, the API or the CLI?
Users can now see the namespace as a project after app is ran
How will this change affect upgrades?

Verification and Testing

How can the changes be verified? Please provide whatever additional information necessary to help verify the proposed changes.

kubectl create namespace test
acorn run -j test .
acorn project
//should list test as a project and can do all things with test as a normal project (filter, use, rm, etc)

Are there automated tests to cover your changes?
yes

Linked Issues

#1143
Link any related issues, pull-requests, or commit hashes that are relevant to this pull request. If you are opening a PR without a corresponding issue please consider creating one first, at https://github.com/acorn-io/acorn/issues . A functional example will greatly help QA with verifying/reproducing a bug or testing new features.

[thedadams]

This name makes it sound like we are back-populating labels from another object to the namespace. I like AddAcornProjectLabel better.

What do you think?

[jsilverio22]

Yeah that sounds better to me as well