Added Proofivy to ecosystem

[cigeza]

Description

Adding Proofivy to the ecosystem page. Proofivy helps creators prove what's theirs, and get paid for it. More info at https://proofivy.com

Tests

This update only adds static content (metadata + logo) and does not modify any functional code, so no unit tests are needed.

✅ Confirmed metadata.json uses the correct field structure and ordering ✅ Category “Services/Endpoints” is valid and listed in the accepted categories ✅ Verified the logo asset is present and properly formatted ✅ Confirmed metadata.json parses correctly and is valid JSON

Checklist

• [x] I have formatted and linted my code
• [x] All new and existing tests pass
• [x] My commits are signed (required for merge) -- you may need to rebase if you initially pushed unsigned commits

[cb-heimdall]

✅ Heimdall Review Status

Requirement	Status	More Info
Reviews	✅ 1/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 2 if repo is sensitive 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

[vercel[bot]]

@cigeza is attempting to deploy a commit to the Coinbase Team on Vercel.

A member of the Team first needs to authorize it.

[cigeza]

Details about our x402 offerings here: https://www.proofivy.com/get_paid_for_llm_lookups https://www.proofivy.com/how_to_publish_to_x402_on_your_iphone