Update README.md (#290)

Author: aldro61

README.md

@@ -8,6 +8,7 @@
 🌐 [Ecosystem](#-ecosystem) -
 🚀 [AgentLab](https://github.com/ServiceNow/AgentLab) -
 🌟 [Contributors](#-contributors) -
+📄 [Paper](https://arxiv.org/abs/2412.05467) -
 📝 [Citation](#-citing-this-work)
 
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