Add an ECCV2024 paper

Thanks for your great contribution. Could you please add this work :

Title: Relation DETR: Exploring Explicit Position Relation Prior for Object Detection
Published in ECCV 2024
Arxiv: https://arxiv.org/abs/2407.11699
Code: https://github.com/xiuqhou/Relation-DETR
Dataset: https://huggingface.co/datasets/xiuqhou/SA-Det-100k/tree/main
