feat(cloudflare): send email binding

[john-royal]

Adapted #1315 to follow Alchemy conventions for bindings, account for local development, and use (what I believe to be) the correct Cloudflare API for bindings.

Treats SendEmail as an object that you call and pass in as a binding rather than a separate property*. For example:

const worker = await Worker("my-worker", {
  bindings: {
    EMAIL: SendEmail({
      allowedDestinationAddresses: ["john@chipotle.co.uk"]
    })
  }
});

• Still a separate property in wrangler.jsonc.

Tasks

• Remote implementation
• Local implementation
• Docs and tests (will throw at Claude)
• Scope (discuss at standup)

[pkg-pr-new]

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npm i https://pkg.pr.new/alchemy-run/alchemy@1319

commit: 8aa5c92

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[JorgeVV]

I can confirm this is working perfectly for me

[kytokev]

Hi! Is there an ETA on when this will be merged to main? Currently using this in a project with Wrangler and I'm converting all the infrastructure logic to Alchemy.