Add new competition references to README

Author: msaroufim

README.md

@@ -10,6 +10,9 @@ You can see what's going on [gpumode.com](https://www.gpumode.com/)
 3. [BioML kernels](problems/bioml)
 4. [AMD $100K distributed kernel competition](problems/amd_distributed)
 5. [NVIDIA Blackwell NVFP4 competition](problems/nvidia)
+6. [AMD $1.1M competition](problems/amd_202602)
+7. [Helion IRL hackathon](problems/helion)
+8. [Princeton course](problems/princeton)
 
 ## Making a Leaderboard Submission
 
@@ -26,4 +29,3 @@ To add a new problem, create a new folder in the `problems/glory` directory wher
 You can evaluate problems with your own Modal account (they give you a free $30) by borrowing this [neat script from @gau-nernst](https://github.com/gpu-mode/reference-kernels/pull/96#issue-3850136894)
 
 
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