Doc: Add GitHub Codespaces in README

All-Hands-AI#2975

README.md

@@ -47,6 +47,9 @@ OpenDevin agents collaborate with human developers to write code, fix bugs, and
 ![App screenshot](./docs/static/img/screenshot.png)
 
 ## ⚡ Getting Started
+
+The easiest way to run OpenDevin is to [![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://github.com/codespaces/new/OpenDevin/OpenDevin) 🔥🔥🔥
+
 OpenDevin works best with Docker version 26.0.0+ (Docker Desktop 4.31.0+).
 You must be using Linux, Mac OS, or WSL on Windows.
 
@@ -141,12 +144,12 @@ Distributed under the MIT License. See [`LICENSE`](./LICENSE) for more informati
 
 ```
 @misc{opendevin,
-      title={{OpenDevin: An Open Platform for AI Software Developers as Generalist Agents}}, 
+      title={{OpenDevin: An Open Platform for AI Software Developers as Generalist Agents}},
       author={Xingyao Wang and Boxuan Li and Yufan Song and Frank F. Xu and Xiangru Tang and Mingchen Zhuge and Jiayi Pan and Yueqi Song and Bowen Li and Jaskirat Singh and Hoang H. Tran and Fuqiang Li and Ren Ma and Mingzhang Zheng and Bill Qian and Yanjun Shao and Niklas Muennighoff and Yizhe Zhang and Binyuan Hui and Junyang Lin and Robert Brennan and Hao Peng and Heng Ji and Graham Neubig},
       year={2024},
       eprint={2407.16741},
       archivePrefix={arXiv},
       primaryClass={cs.SE},
-      url={https://arxiv.org/abs/2407.16741}, 
+      url={https://arxiv.org/abs/2407.16741},
 }
 ```