docs: rework the README to the org layout (#75)

Author: shenxianpeng

README.md

@@ -1,28 +1,11 @@
 # cpp-linter.github.io
 
-[![Website](https://img.shields.io/static/v1?logo=googlechrome&logoColor=white&label=Website&message=cpp-linter.github.io&color=yellow)](https://cpp-linter.github.io/)
-[![GitHub Org](https://img.shields.io/badge/github-cpp--linter-181717?logo=github)](https://github.com/cpp-linter)
-[![License](https://img.shields.io/github/license/cpp-linter/cpp-linter.github.io)](LICENSE)
-[![MkDocs](https://img.shields.io/badge/docs-MkDocs%20Material-526CFE?logo=materialformkdocs&logoColor=white)](https://cpp-linter.github.io/)
+The source of <https://cpp-linter.github.io/>: the home page, Get started, Why cpp-linter, the
+showcase, the blog and the community and sponsor pages.
 
-Documentation website for the `cpp-linter` project and organization.
-
-This repository hosts the public site at <https://cpp-linter.github.io/>, including the homepage, getting started guides, and community links for the C/C++ linting ecosystem around `cpp-linter`.
-
-## Website
-
-- Main site: <https://cpp-linter.github.io/>
-- GitHub organization: <https://github.com/cpp-linter>
-
-## What You'll Find
-
-- Project overview and landing page content
-- Getting started documentation
-- "Why cpp-linter?": how the toolchain compares with other clang-format / clang-tidy actions and hooks
-- Showcase of open-source projects that use cpp-linter
-- Blog posts and guides
-- Links to the clang tools packages (pip, Homebrew, asdf, static binaries, Docker images, wheels)
-- Community entry points and the sponsor page
+[Website](https://cpp-linter.github.io/) ·
+[Get started](https://cpp-linter.github.io/getting-started/) ·
+[Discussions](https://github.com/orgs/cpp-linter/discussions)
 
 ## Build
 
@@ -39,7 +22,16 @@ without updating those repositories:
 - `docs/stylesheets/shared.css`, served at <https://cpp-linter.github.io/stylesheets/shared.css>,
   is loaded by the docs sites of cpp-linter-action, cpp-linter, clang-tools-pip and cpp-linter-rs.
   It carries the site's look (colors, header, fonts), so a change to it changes all of them.
-- `docs/fonts/`, served at <https://cpp-linter.github.io/fonts/>, holds the fonts that
+- `docs/fonts/`, served under `https://cpp-linter.github.io/fonts/`, holds the fonts that
   `shared.css` declares (SIL Open Font License 1.1). Keep the file names in sync with it.
 - `docs/install-wheel.sh`, served at <https://cpp-linter.github.io/install-wheel.sh>, is used by
   the clang-tools-wheel README and its release workflow.
+
+## Contributing
+
+See the [contributing guide](https://github.com/cpp-linter/.github/blob/main/CONTRIBUTING.md) and
+[open an issue](https://github.com/cpp-linter/cpp-linter.github.io/issues) for anything wrong on the site.
+
+## License
+
+[MIT](https://github.com/cpp-linter/cpp-linter.github.io/blob/main/LICENSE)