Add more TELOS talks

Author: zouyonghao

content/file_system/index.md

@@ -11,4 +11,8 @@ Our code repository is hosted on [GitHub](https://github.com/TELOS-syslab).
 
 We organize TELOS talks, inviting speakers from inside and outside the lab to share their research and insights. The conducted and scheduled talks are listed below:
 
-* 2025-05-22: TELOS talks - Introduction to fuzzing (Yonghao) [Slides](./talks_slides/TELOS%20Talks%20-%20Fuzzing.pdf)
+* 2025-06-13: **Rust in Depth** (Junyang)
+
+* 2025-06-06: **Introduction to ML Sys** (Zehua)
+
+* 2025-05-22: **Introduction to Fuzzing** (Yonghao) [Slides](./talks_slides/TELOS%20Talks%20-%20Fuzzing.pdf)