Update README

Author: tpeczek

README.md

@@ -29,7 +29,14 @@ There are some blog posts available which describe implementation details and so
 - [Server-Sent Events and ASP.NET Core - You may need keep alives](https://www.tpeczek.com/2018/08/server-sent-events-and-aspnet-core-you_9.html)
 - [Server-Sent Events and ASP.NET Core - Disconnecting a Client](https://www.tpeczek.com/2021/11/server-sent-events-and-aspnet-core.html)
 
-## Sponsor This Project
+## Consulting and Professional Services
+
+Do you need help with any of my libraries, or with building features on top of what they provide? What about ASP.NET Core architecture, Azure architecture, or DevOps? I offer consulting and development services.
+
+[![Book an Appointment](https://img.shields.io/badge/%20-Book%20an%20Appointment-%23006BFF?logo=calendly&logoColor=white&style=for-the-badge)](https://calendly.com/tpeczek/30min)
+[![Send an Email](https://img.shields.io/badge/%20-Send%20an%20email-%23EA4335?logo=gmail&logoColor=white&style=for-the-badge)](mailto:[email protected])
+
+## Donating
 
 My blog and open source projects are result of my passion for software development, but they require a fair amount of my personal time. If you got value from any of the content I create, then I would appreciate your support by [sponsoring me](https://github.com/sponsors/tpeczek) (either monthly or one-time).