Updated readme.md with Professional Support section

README.md

@@ -32,6 +32,11 @@ Otherwise you can find help on our community [discussion board](https://discuss.
 Please contribute to the project financially - especially if your company relies
 on Yjs. [![Become a Sponsor](https://img.shields.io/static/v1?label=Become%20a%20Sponsor&message=%E2%9D%A4&logo=GitHub&style=flat&color=d42f2d)](https://github.com/sponsors/dmonad)
 
+## Professional Support
+
+* [Support Contract with the Maintainer](https://github.com/sponsors/dmonad) - By contributing financially to the open-source Yjs project, you can receive professional support directly from the author. This includes the opportunity for weekly video calls to discuss your specific challenges.
+* [Synergy Codes](https://synergycodes.com/yjs-services/) - Specializing in consulting and developing real-time collaborative editing solutions for visual apps, Synergy Codes focuses on interactive diagrams, complex graphs, charts, and various data visualization types. Their expertise empowers developers to build engaging and interactive visual experiences leveraging the power of Yjs. See their work in action at [Visual Collaboration Showcase](https://yjs-diagram.synergy.codes/).
+
 ## Who is using Yjs
 
 * [AFFiNE](https://affine.pro/) A local-first, privacy-first, open source