Replace limdu with Brain.js

sindresorhus · web-flow · commit 1c656d7d5e4f · 2018-06-25T13:45:08.000+07:00
The former is no longer maintained.
diff --git a/readme.md b/readme.md
@@ -109,7 +109,7 @@
 - [turf](https://github.com/Turfjs/turf) - Modular geospatial processing and analysis engine.
 - [webcat](https://github.com/mafintosh/webcat) - p2p pipe across the web using WebRTC that uses your GitHub private/public key for authentication.
 - [NodeOS](https://github.com/NodeOS/NodeOS) - The first operating system powered by npm.
-- [limdu](https://github.com/erelsgl/limdu) - Machine-learning framework.
+- [Brain.js](https://github.com/BrainJS/brain.js) - Machine-learning framework.
 - [Cytoscape.js](https://github.com/cytoscape/cytoscape.js) - Graph theory (a.k.a. network) modeling and analysis.
 - [Kadence](https://kadence.github.io/) - Kademlia distributed hash table.
 - [seedshot](https://github.com/twobucks/seedshot) - Temporary P2P screenshot sharing from your browser.
