FaaS that doesn't stall on cold start

# 1. deploy with a single command
$ h3 fn deploy ./api/handler.ts \
    --runtime=node22 \
    --memory=256 \
    --timeout=30s \
    --domain=api-handler.h3llo.cloud

✓ Bundling (esbuild)             142 ms
✓ Uploading 1.8 MB              980 ms
✓ Deployed v17 · cold-start      38 ms

$ curl https://api-handler.h3llo.cloud/health
{"ok":true,"region":"msk-1","cold":true}

$ curl https://api-handler.h3llo.cloud/health
{"ok":true,"region":"msk-1","cold":false}

// handler.ts — standard HTTP, no custom event objects
import { kv } from "@h3llo/edge";

export default async (req: Request): Promise<Response> => {
  const url = new URL(req.url);

  if (url.pathname === "/health") {
    return Response.json({ ok: true, region: "msk-1" });
  }

  if (url.pathname === "/count") {
    const n = await kv.incr("hits");
    return Response.json({ hits: n });
  }

  return new Response("not found", { status: 404 });
};