Add Numbers Protocol to Ecosystem: Seamless payment for content licenses and Receipt NFTs

[bafu]

Description

This Pull Request adds Numbers Protocol to the x402 Ecosystem page.

Numbers Protocol is a decentralized network designed to ensure the provenance and authenticity of digital media. We have integrated x402 to demonstrate a seamless "pay-to-license" workflow.

Integration Details

The submitted demo showcases a digital content licensing scenario:

1. User selects a digital asset on a licensing page.
2. User selects a license type.
3. x402 Integration: The user pays via their crypto wallet using the x402 protocol (HTTP 402).
4. Upon success, the user receives a Receipt NFT and the transaction is recorded.

Demo Video: https://youtu.be/oXif6etB-B0
Project Website: https://www.numbersprotocol.io/
Whitepaper: https://whitepaper.numbersprotocol.io/

Tests

Local previewed.

Checklist

• I have formatted and linted my code
• All new and existing tests pass
• 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	🟡 0/1	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 1 Sum 2

[vercel]

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

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