Update mentors.md (#202)

_includes/mentors.md

@@ -257,6 +257,17 @@
 * **Additional Resources**:
   - [rust.cc](https://rust.cc)
   - [rustforce.net](https://rustforce.net)
+  - 
+### Miguel Raz ([@daogangtang](https://github.com/miguelraz))
+* **Pronouns**: he/him
+* **Contact**: Discord (miguelraz)
+* **Spoken Languages**: English, Spanish, some German
+* **Topics**: Beginners, community meetup, SIMD, performance, LLVM
+* **Timezone**: Mexico City time (GMT-6)
+* **Additional Resources**:
+  - [Scalability, but at what COST?](https://www.usenix.org/system/files/conference/hotos15/hotos15-paper-mcsherry.pdf)
+  - [Self-paced compilers course](https://www.cs.cornell.edu/courses/cs6120/2020fa/self-guided/)
+
 
 ### Nikolai Vazquez ([@nvzqz](https://github.com/nvzqz))
 * **Pronouns**: he/him