Added "Writing a C compiler"

Added "Writing a C compiler" to the "Build you own programming language" section

README.md

@@ -278,6 +278,7 @@ This repository is a compilation of well-written, step-by-step guides for re-cre
 * [**C**: _C interpreter that interprets itself._](https://github.com/lotabout/write-a-C-interpreter)
 * [**C**: _A C & x86 version of the "Let's Build a Compiler" by Jack Crenshaw_](https://github.com/lotabout/Let-s-build-a-compiler)
 * [**C**: _A journey explaining how to build a compiler from scratch_](https://github.com/DoctorWkt/acwj)
+* [**C**: _Writing a C Compiler_](https://norasandler.com/2017/11/29/Write-a-Compiler.html)
 * [**C++**: _Writing Your Own Toy Compiler Using Flex_](https://gnuu.org/2009/09/18/writing-your-own-toy-compiler/)
 * [**C++**: _How to Create a Compiler_](https://www.youtube.com/watch?v=eF9qWbuQLuw) [video]
 * [**C++**: _Kaleidoscope: Implementing a Language with LLVM_](https://llvm.org/docs/tutorial/MyFirstLanguageFrontend/index.html)