Docusaurus

The example site: https://chen-yulin.github.io/Besiege-Modern-Docs/

Initialize the local project

node -v >= 18.0

npm init docusaurus@latest Besiege-Modern-Mod-docs classic

/developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort#browser_compatibility
✔ Which language do you want to use? › JavaScript
[INFO] Creating new Docusaurus project...
[INFO] Installing dependencies with npm...
...
[SUCCESS] Created Besiege-Modern-Mod-docs.
[INFO] Inside that directory, you can run several commands:

  `npm start`
    Starts the development server.

  `npm run build`
    Bundles your website into static files for production.

  `npm run serve`
    Serves the built website locally.

  `npm run deploy`
    Publishes the website to GitHub pages.

We recommend that you begin by typing:

  `cd Besiege-Modern-Mod-docs`
  `npm start`

Happy building awesome websites!

Configuration

Add a source code button

src/pages/index.js,in function HomepageHeader(), add a <div>.

function HomepageHeader() {
  const {siteConfig} = useDocusaurusContext();
  return (
    <header className={clsx('hero hero--primary', styles.heroBanner)}>
      <div className="container">
        <Heading as="h1" className="hero__title">
          {siteConfig.title}
        </Heading>
        <p className="hero__subtitle">{siteConfig.tagline}</p>
        <div className={styles.buttons}>
          <Link
            className="button button--secondary button--lg"
            to="/docs/intro">
            Getting Started ⏱️
          </Link>
        </div>
        // +++++++++[[
        <div className={styles.buttons}>
          <Link
            className="button button--secondary button--lg"
            to="https://github.com/Chen-Yulin/Besiege-Modern-Mod">
            Source code
          </Link>
        </div>
        // ]]+++++++++
      </div>
    </header>
  );
}

Two button too close to each other, change the css style for button.
In src/pages/index.module.css

.buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem; // +++
}

Deployment

Add the remote repository on github.

git remote add origin git@github.com:Chen-Yulin/Besiege-Modern-Docs.git

Change the deployment configurations

// Set the production url of your site here
url: 'https://chen-yulin.github.io',
// Set the /<baseUrl>/ pathname under which your site is served
// For GitHub pages deployment, it is often '/<projectName>/'
baseUrl: '/Besiege-Modern-Docs/',

// GitHub pages deployment config.
// If you aren't using GitHub pages, you don't need these.
organizationName: 'Chen-Yulin', // Usually your GitHub org/user name.
projectName: 'Besiege-Modern-Docs', // Usually your repo name.
deploymentBranch: 'deploy',
trailingSlash: false,

Change the page setting in repository settings, Branch set to deploy branch.

Deploy command: yarn deploy

[INFO] `git commit -m "Deploy website - based on aa492c3f0934f0177ca946345c2d32940c1900c3"` code: 0
To github.com:Chen-Yulin/Besiege-Modern-Docs.git
 * [new branch]      deploy -> deploy
[INFO] `git push --force origin deploy` code: 0
Website is live at "https://Chen-Yulin.github.io/Besiege-Modern-Docs/".