docs(governance): new form to allow customers self-nominate as public reference

[heitorlessa]

Issue number: (rare exception)

Summary

Changes

Please provide a summary of what's being changed

This marks a new milestone where we can accept public references via GitHub 🎉

User experience

Please share what the user experience looks like before and after this change

Checklist

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• Meet tenets criteria
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented
• PR title follows conventional commit semantics

Is this a breaking change?

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

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