[doc] add symphony09 to contributor.

CONTRIBUTORS.md

@@ -27,5 +27,6 @@ Contributors:
 - [PolarLinda6](https://github.com/PolarLinda6)
 - [pujiangxin](https://github.com/pujiangxin)
 - [kajo-kurisu](https://github.com/kajo-kurisu)
+- [symphony09](https://github.com/symphony09)
 
 感谢以上朋友，为CGraph项目做出的贡献，排名以贡献时间前后为顺序。

README.md

@@ -132,7 +132,7 @@ int main() {
 * [awesome-workflow-engines](https://github.com/meirwah/awesome-workflow-engines) : A curated list of awesome open source workflow engines
 * [nndeploy](https://github.com/DeployAI/nndeploy) : nndeploy是一款模型端到端部署框架。以多端推理以及基于有向无环图模型部署为内核，致力为用户提供跨平台、简单易用、高性能的模型部署体验。
 * [KuiperInfer](https://github.com/zjhellofss/KuiperInfer) : 带你从零实现一个高性能的深度学习推理库，支持大模型 llama2 、Unet、Yolov5、Resnet等模型的推理。Implement a high-performance deep learning inference library step by step
-* [ograph](https://github.com/symphony09/ograph)：A simple way to build a pipeline with Go.
+* [ograph](https://github.com/symphony09/ograph) : A simple way to build a pipeline with Go.
 
 [![Star History Chart](https://api.star-history.com/svg?repos=ChunelFeng/CGraph&type=Date)](https://star-history.com/#ChunelFeng/CGraph&Date)