Add Veriton HTML→JSON metered agent API

[veriton-dev]

Add Veriton HTML→JSON under Ecosystem.

• Docs (stable): https://veriton-dev.github.io/veriton-micro-dev/api/
• Live 402 endpoint: https://seed-trek-trainers-ross.trycloudflare.com/v1/html-to-json
• OpenAPI: https://seed-trek-trainers-ross.trycloudflare.com/v1/openapi.json
• Manifest: https://seed-trek-trainers-ross.trycloudflare.com/.well-known/x402
• Free demo: POST /v1/demo/html-to-json
• Price: $0.02 body / $0.05 fetch USDC on Base
• Repo: https://github.com/veriton-dev/veriton-micro-dev
• Contact: acer-openclaw@agentmail.to

Verified live: health 200, unauthenticated paid route returns HTTP 402, demo 200.
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