Add UC Davis MAT 168 (WI24) (#407)

Author: butter1125

README.md

@@ -647,6 +647,7 @@ Table of Contents
   - [AM 207 - Stochastic Methods for Data Analysis, Inference and Optimization, Harvard University](http://am207.github.io/2016/index.html)
   - [MIT 6.S098 Applied Convex Optimization IAP 2022, by Alexandre Amice, Benoit Legat](https://alexandreamice.github.io/teaching/convex_optimization/) ([YouTube](https://www.youtube.com/playlist?list=PL5SG6ajT9NZKxdvM1jQOLXmeKO7MfyLxR))
   - [University of Twente Discrete Optimization, by Marc Uetz](https://marcuetz.personalweb.utwente.nl/do/) ([Fall 2020](https://www.youtube.com/playlist?list=PLIygTcviGPKBUY9e1MCruRr5-I24LNm4g))
+  - [UC Davis MAT 168 Optimization winter 2024, by Matthias Köppe](https://video.ucdavis.edu/channel/MAT+168+Optimization+%28Matthias+K%C3%B6ppe%3B+Winter+2024%29/329241352)
   - [UCSD CS292F Convex Optimization Spring 2020, by Yu-Xiang Wang](https://cseweb.ucsd.edu/~yuxiangw/classes/CS292F-2020Spring/) ([Youtube](https://www.youtube.com/playlist?list=PLTN4aNO9NiB5VxYILKPBXoy9g1tUqmnBx))
   - [UIUC ECE 490 Introduction to Optimization fall 2020, by Venugopal V. Veeravalli](https://courses.grainger.illinois.edu/ece490/fa2020/) ([YouTube](https://www.youtube.com/playlist?list=PLIygTcviGPKC5wSXtE6s2qdSYutRH1AUU))
   - [University of Wisconsin-Madison CS/ECE/ISyE 524 Introduction to Optimization spring 2017-18, by Laurent Lessard](https://laurentlessard.com/teaching/524-intro-to-optimization/)