Add link to arxiv paper

This will ensure that this model is linked to the Paper page here: https://huggingface.co/papers/2401.04507.

README.md

@@ -448,6 +448,18 @@ TechGPT-2.0 在保留了 TechGPT-1.0 模型的通用能力、实体识别能力
 }
 ```
 
+arXiV paper
+```
+@misc{wang2024techgpt20,
+      title={TechGPT-2.0: A large language model project to solve the task of knowledge graph construction}, 
+      author={Jiaqi Wang and Yuying Chang and Zhong Li and Ning An and Qi Ma and Lei Hei and Haibo Luo and Yifei Lu and Feiliang Ren},
+      year={2024},
+      eprint={2401.04507},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL}
+}
+```
+
 ## 致谢
 
 **我们对 [Chinese-Alpaca-2](https://github.com/ymcui/Chinese-LLaMA-Alpaca-2) 和 [Atom](https://github.com/FlagAlpha/Llama2-Chinese) 的相关项目和研究开发人员表示衷心的感谢！**