Flagger addon pattern with nginx meshprovider

[Eli1123]

Issue #, if available:

Description of changes:
Created a functional pattern example of my addon using canary files.

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[github-actions]

This PR has been automatically marked as stale because it has been open 60 days
with no activity. Remove stale label or comment or this PR will be closed in 10 days

[elamaran11]

@Eli1123 Please confirm if you are still working on this PR. No activity for couple of months.

[github-actions]

This PR has been automatically marked as stale because it has been open 60 days
with no activity. Remove stale label or comment or this PR will be closed in 10 days

[elamaran11]

@Eli1123 Planning to make progress on this PR?

[github-actions]

This PR has been automatically marked as stale because it has been open 60 days
with no activity. Remove stale label or comment or this PR will be closed in 10 days

[github-actions]

Pull request closed due to inactivity.

[Eli1123]

@Eli1123 Planning to make progress on this PR?

Sorry, missed this. Currently not planning to continue my intern project here as other projects are keeping me busy. Perhaps later down the road but if someone else wishes to pick up where I left off in the mean time they can feel free to do so.