Add Bare Metal RISC-V From Scrach

README.md

@@ -256,6 +256,7 @@ It's a great way to learn.
 
 * [**Assembly**: _Writing a Tiny x86 Bootloader_](http://joebergeron.io/posts/post_two.html)
 * [**Assembly**: _Baking Pi – Operating Systems Development_](http://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/os/index.html)
+* [**Assembly**: _Bare Metal RISC-V - Print Hello RISC-V From Scrach_](https://github.com/peiyuanix/yuanix-riscv-os/tree/main/03-Bare-Metal-Hello-RISC-V)
 * [**C**: _Building a software and hardware stack for a simple computer from scratch_](https://www.youtube.com/watch?v=ZjwvMcP3Nf0&list=PLU94OURih-CiP4WxKSMt3UcwMSDM3aTtX) [video]
 * [**C**: _Operating Systems: From 0 to 1_](https://tuhdo.github.io/os01/)
 * [**C**: _The little book about OS development_](https://littleosbook.github.io/)