add paper

README.md

@@ -64,6 +64,7 @@
 - [ProNav: Proprioceptive Traversability Estimation for Legged Robot Navigation in Outdoor Environments](https://arxiv.org/abs/2307.09754)
 - [Reduced Model Predictive Control Toward Highly Dynamic Quadruped Locomotion](https://ieeexplore.ieee.org/document/10418132/)
 - [Sim-to-Real: A Performance Comparison of PPO, TD3, and SAC Reinforcement Learning Algorithms for Quadruped Walking Gait Generation](https://www.scirp.org/journal/paperinformation?paperid=131938)
+- [Visual Whole-Body Control for Legged Loco-Manipulation](https://arxiv.org/abs/2403.16967)
 
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