Add tutorial #254

README.md

@@ -414,6 +414,7 @@
 * [**Rust**: _Let's build a browser engine_](https://limpet.net/mbrubeck/2014/08/08/toy-layout-engine-1.html)
 * [**Rust**: _Building a DNS server in Rust_](https://github.com/EmilHernvall/dnsguide/blob/master/README.md)
 * [**TypeScript**: _Make your own GraphQL metrics dashboard_](http://all-loops-considered.org/2018/05/09/graphql-metrics-part-1/)
+* [**TypeScript**: _Tiny Package Manager: Learns how npm or Yarn works_](https://github.com/g-plane/tiny-package-manager)
 
 ## How to contribute