Add 21st.dev

Author: garrrikkotua

README.md

@@ -90,6 +90,7 @@ Cybersecurity|[LunaTrace](https://www.lunasec.io/)|Dependency Vulnerability Scan
 Cybersecurity|[Matano](https://www.matano.dev)|Open source cloud-native security lake platform (SIEM alternative) for threat hunting, detection & response, and cybersecurity analytics at petabyte scale on AWS|<a href=https://github.com/matanolabs/matano><img src="https://img.shields.io/github/stars/matanolabs/matano?style=social" width=150/></a>|[Splunk](https://www.splunk.com/), [Elastic Cloud](https://www.elastic.co/elastic-stack/)|
 Cybersecurity|[NetBird](https://netbird.io)|Zero Configuration Mesh VPN for Business|<a href=https://github.com/netbirdio/netbird><img src="https://img.shields.io/github/stars/netbirdio/netbird?style=social" width=150/></a>|[Tailscale](https://tailscale.com/), [OpenVPN](https://openvpn.net/)|
 Cybersecurity|[Nuclei](https://nuclei.projectdiscovery.io/)|Vulnerability scanner based on simple YAML based DSL|<a href=https://github.com/projectdiscovery/nuclei><img src="https://img.shields.io/github/stars/projectdiscovery/nuclei?style=social" width=150/></a>|[Tenable Nessus](https://www.tenable.com/products/nessus)|
+Design|[21st.dev](https://21st.dev/)|The NPM for Design Engineers|<a href=https://github.com/rorkai/21st><img src="https://img.shields.io/github/stars/rorkai/21st?style=social" width=150/></a>|[Landingfolio](https://www.landingfolio.com/)|
 Design|[Modulz](https://www.modulz.app/)|Code-based tool for designing and prototyping|<a href=https://github.com/radix-ui/primitives><img src="https://img.shields.io/github/stars/radix-ui/primitives?style=social" width=150/></a>|[Figma](https://www.figma.com/)|
 Design|[Penpot](https://penpot.app/)|Design & prototyping platform|<a href=https://github.com/penpot/penpot><img src="https://img.shields.io/github/stars/penpot/penpot?style=social" width=150/></a>|[Figma](https://www.figma.com/)|
 Digital Signature|[DocuSeal](https://docuseal.co)|Digital Signing Infrastructure|<a href=https://github.com/docusealco/docuseal><img src="https://img.shields.io/github/stars/docusealco/docuseal?style=social" width=150/></a>|[DocuSign](https://www.docusign.com/)|