add gitops addon manifests

[xiangjingli]

• I have taken backward compatibility into consideration.

https://issues.redhat.com/browse/ACM-16762

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.96%. Comparing base (ad69346) to head (b03087f).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #419      +/-   ##
==========================================
+ Coverage   55.85%   55.96%   +0.11%     
==========================================
  Files          96       96              
  Lines       15742    15742              
==========================================
+ Hits         8792     8810      +18     
+ Misses       6068     6044      -24     
- Partials      882      888       +6     

Flag	Coverage Δ
unit	55.96% <ø> (+0.11%)	⬆️

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[mikeshng]

/approve

/lgtm

Maybe some e2e can come later?

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mikeshng, xiangjingli

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[xiangjingli]

Yeah, the PR is created first for installer double check. Later Another PR will be delivered to multicloud-integration repo