Deploy a Flow function

{
  "main.ts": {
    "content": "Deno.serve(() => new Response('ok'));",
    "encoding": "utf-8"
  },
  "lib/message.ts": {
    "content": "export const message = 'hello';"
  }
}

{
  "name": "hello",
  "entrypoint": "main.ts",
  "assets": {
    "main.ts": {
      "content": "Deno.serve(() => new Response('Hello'));"
    }
  }
}

{
  "entrypoint": "src/main.ts",
  "assets": {
    "src/main.ts": {
      "content": "Deno.serve(() => new Response('updated'));"
    }
  }
}