chore: extract repos, finalize core package structure

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2026 Mason L'Etoile
+Copyright (c) 2026 Contact API, Mason L'Etoile
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,11 +1,13 @@
-# Contact API
-
-This repository contains the full Contact API project, organized in preparation for a split into separate repositories under the [contact-api](https://github.com/contact-api) org.
-
-- [`core/`](./core/README.md) — platform-agnostic contact form logic
-- [`resend/`](./resend/README.md) — Resend email provider
-- [`nodemailer/`](./nodemailer/README.md) — Nodemailer (SMTP) email provider
-- [`vercel/`](./vercel/README.md) — Vercel deployment (uses core + both providers)
+# Contact API Core
+
+Contact form logic: CORS evaluation, validation, honeypot handling, and email orchestration. Will be paired with one or more providers, (`Resend` or `Nodemailer`), and a platform, (`Vercel`).
+
+## Exports
+- `handleContact(req, deps)` — orchestrates the full contact-form flow
+- `evaluateCors(req, allowedOrigins)` — CORS decision logic
+- `sendEmail(config, body)` — dispatches to a given `EmailProvider`
+- `isValidBody(body)` — input validation
+- Types: `ContactRequest`, `ContactResult`, `EmailProvider`, `EmailPayload`, `EmailBody`
 
 ## License
 MIT License - see [LICENSE](./LICENSE) for details.