Add Building Blocks for Web Apps (#1796)

Co-authored-by: Sindre Sorhus <[email protected]>

readme.md

@@ -272,6 +272,7 @@
 - [Web Animation](https://github.com/sergey-pimenov/awesome-web-animation#readme) - Animations in the browser with JavaScript, CSS, SVG, etc.
 - [Yew](https://github.com/jetli/awesome-yew#readme) - Rust framework inspired by Elm and React for creating multi-threaded frontend web apps with WebAssembly.
 - [Material-UI](https://github.com/nadunindunil/awesome-material-ui#readme) - Material Design React components for faster and easier web development.
+- [Building Blocks for Web Apps](https://github.com/componently-com/awesome-building-blocks-for-web-apps#readme) - Standalone features to be integrated into web apps.
 
 ## Back-End Development