Add seaweedfs to contrib

[pschoen-itsc]

Pull Request Template for Kubeflow manifests Issues

✏️ A brief description of the changes

I added seaweedfs to contrib which could be a replacement for minio

📦 List any dependencies that are required for this change

🐛 If this PR is related to an issue, please put the link to the issue here.

✅ Contributor checklist

• Make sure you have tested with kustomize. See Installation Prerequisites
• All the commits have been signed-off (To pass the DCO check)
• Submit the Contributor License Agreements (To pass the cla/google check)

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[juliusvonkohout]

/ok-to-test

[juliusvonkohout]

And first of all thank you very much for the PR.

[juliusvonkohout]

This is a follow up of the discussion in kubeflow/pipelines#10998

[pschoen-itsc]

One current problem is getting an artifact via the Artifacts view in the UI. mlpipeline-ui crashes because of a missing region parameter in the js minio client. Not sure why this problem appears when using seaweedfs, because there is no change in configuration there.

[google-oss-prow]

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[juliusvonkohout]

/ok-to-test

[pschoen-itsc]

Pipeline should succeed now.