docs: update awesome-webpack.mdx (#7495)

Add css layering plugin entry

Author: kburich

src/content/awesome-webpack.mdx

@@ -176,6 +176,7 @@ _People passionate about Webpack (In no particular order)_
 - [Transpile Webpack Plugin](https://github.com/licg9999/transpile-webpack-plugin#readme): Transpiles input files into output files individually without bundling together. -- _Maintainer_: `Chungen Li` [![Github][githubicon]](https://github.com/licg9999) [![Twitter][twittericon]](https://twitter.com/licg9999)
 - [Manifest Extraction Plugin](https://github.com/shellscape/webpack-manifest-plugin): Generates an asset manifest after compiling webpack. -- _Maintainer_: `Andrew Powell` [![Github][githubicon]](https://github.com/shellscape)
 - [Transform Async Modules Plugin](https://github.com/steverep/transform-async-modules-webpack-plugin): A Webpack plugin to transpile async module output using Babel. Allows transpiling top level await to ES5. -- _Maintainer_: `Steve Repsher` [![Github][githubicon]](https://github.com/steverep)
+- [CSS Layering Plugin](https://github.com/kburich/css-layering-webpack-plugin): Wrap CSS in cascade layers. -- _Maintainer_: `Kresimir Buric` [![Github][githubicon]](https://github.com/kburich)
 
 ### Webpack Tools