Update README to reflect current wiki contents and related repos

Author: LinghengMeng

README.md

@@ -1,7 +1,21 @@
-# MonashRoboticsWiki
-This project is to hold tutorials and documents of the Robots at Monash Robotics.
+# Monash Robotics Wiki
 
-Please click the [Wiki button](https://github.com/MonashRobotics/MonashRoboticsWiki/wiki) to find the information you want.
+Lab wiki for students and researchers at Monash Robotics.
 
-## The list of documents available in the MonashRoboticsWiki:
-* [HRI Group New PhD Student Task List](https://github.com/MonashRobotics/MonashRoboticsWiki/wiki/HRI-Group-New-PhD-Student-Task-List)
+**Live site:** https://monashrobotics.github.io/wiki/
+
+## Contents
+
+- **Onboarding** — getting started, new PhD checklist, HPC access guide
+- **HPC** — M3 (Monash), Pawsey Setonix, NCI Gadi
+- **Storage** — S Drive (shared lab storage)
+- **Presentations** — skill-sharing and paper reading slides
+
+## Contributing
+
+Anyone in the lab can contribute — see the [contributing guide](https://monashrobotics.github.io/wiki/contributing/) for options including quick GitHub edits, local editing, and AI-assisted drafting.
+
+## Related repos
+
+- [`MonashRobotics/presentations`](https://github.com/MonashRobotics/presentations) — public skill-sharing and paper reading slides
+- [`MonashRobotics/presentations-internal`](https://github.com/MonashRobotics/presentations-internal) — private research presentations (org members only)