Build with AI

Read https://docs.y.uno/docs/yuno-sdk/get-started and integrate
the Yuno SDK into this project:

1. Load https://sdk-web.y.uno/v2.0.0/main.js with a script tag.
   Do not npm install @yuno-payments/sdk-web, that package is the
   1.x loader
2. Initialize SdkPayments once with the public API key from my env
3. Add a backend endpoint that creates a checkout session
   (workflow: "SDK_SEAMLESS")
4. Start a Transaction with onStatus wired, then run a sandbox
   test payment with card 4507 9900 0000 0002, expiry 11/28,
   CVV 123, cardholder John Doe

{
  "mcpServers": {
    "yuno": {
      "url": "https://mcp.y.uno/v1"
    }
  }
}