add build your own webassembly compiler

README.md

@@ -300,6 +300,7 @@
 * [**JavaScript**: _The Super Tiny Interpreter_](https://github.com/keyanzhang/the-super-tiny-interpreter)
 * [**JavaScript**: _Little Lisp interpreter_](https://maryrosecook.com/blog/post/little-lisp-interpreter)
 * [**JavaScript**: _How to implement a programming language in JavaScript_](http://lisperator.net/pltut/)
+* [**TypeScript**: _Build your own WebAssembly Compiler_](https://blog.scottlogic.com/2019/05/17/webassembly-compiler.html)
 * [**OCaml**: _Writing a C Compiler_](https://norasandler.com/2017/11/29/Write-a-Compiler.html)
 * [**OCaml**: _Writing a Lisp, the series_](https://bernsteinbear.com/blog/lisp/)
 * [**Pascal**: _Let's Build a Compiler_](https://compilers.iecc.com/crenshaw/)