doc(Sponsor): add JetBrains sponsor information (#5116)

Co-Authored-By: Alex chow <[email protected]>
Co-Authored-By: Argo <[email protected]>

Author: ArgoZhang

README.md

@@ -182,3 +182,7 @@ For more information see the [.NET Foundation Code of Conduct](https://dotnetfou
 If this project is helpful to you, please scan the QR code below for a cup of coffee.
 
 <img src="https://raw.githubusercontent.com/ArgoZhang/Images/master/Donate/BarCode%402x.png" width="382px;" />
+
+## Sponsor
+Thanks to [JetBrains](https://jb.gg/OpenSourceSupport) for providing free open source license
+<img src="https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg" width="100px" align="right" />

README.zh-CN.md

@@ -227,3 +227,7 @@ Blazor 应用基于组件。 Blazor 中的组件是指 UI 元素，例如页面
 如果这个项目对您有所帮助，请扫下方二维码打赏一杯咖啡。
 
 <img src="https://gitee.com/Longbow/Pictures/raw/master/WeChat/[email protected]" width="382px;" />
+
+## 赞助商
+感谢 [JetBrains](https://jb.gg/OpenSourceSupport) 提供的免费开源 License
+<img src="https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg" width="100px" align="right" />