Add Treasure projects (Facilitator and AI Frens) to x402 Ecosystem page.

[Antlion12]

Description

Adds Treasure projects to the x402 Ecosystem page including:

• Treasure x402 Facilitator

• AI Frens: a platform for people to create their own x402-compatible AI character tokens.

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	✅ 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]]

@Antlion12 is attempting to deploy a commit to the Coinbase Team on Vercel.

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