[Addon] GitOps addon

[MimicTester1307]

Description of your changes

Fixes #3205

How has this code been tested?

Checklist

I have:

• [x] Title of the PR starts with type (e.g. [Addon] , [example] or [Doc]).
• [ ] Updated/Added any relevant documentation and examples.
• [x] New addon should be put in experimental.
• [ ] Update addon should modify the version in metadata.yaml to generate a new version.
• [ ] Any changes about verified addons should be tested with CI script.

[MimicTester1307]

@FogDong Draft PR like you suggested.

[FogDong]

Every time you commit, please use -s the sign the DCO like git commit -s

[MimicTester1307]

Every time you commit, please use -s the sign the DCO like git commit -s

Sure. I'm sorry about that. It skipped my mind.

[MimicTester1307]

Hi @FogDong, I will attempt a rebase to update the commit messages I previously did not sign off.