Feature request

Is your feature request related to a problem? Please describe.

It'd be super helpful to have an example of a multiple api routes setup using graphql, all examples I can see are considering just one single api route, but in a real world we usually will need multiple APIs, specially when working with serverless functions. Maybe there is some sort of limitation around multi

Summary

Where: https://www.gatsbyjs.org/docs/ssr-apis/#onRenderBody

What: Improve the example for onRenderBody or add another example, simple, that is not tied to a plugin.

Suggestion

// Object of props
const HtmlAttributes = {
  "data-whatever": "content"
}

// Magic
exports.onRenderBody = (
  { setHtmlAttributes }
) => {
   setHtmlAttributes(HtmlAttributes)
}

请不要直接在 issues 提交安全漏洞报告，目前已有一部分人正在使用该系统，你的公开提交很可能影响到他们的资料安全。

所以拜托以后直接发送安全漏洞信息到 hi@halo.run 谢谢！

Describe the bug

GitHub provides a few options when configuring a new repo like: license, .gitignore file, a README.md, and the Rennovate plugin. If you want to install any of these by default, which I usually do, then you get an error about the remote having newer content.

To Reproduce
Steps to reproduce the behavior:

1. Create a repo with a readme during the script
2. See the er