Add AWS support

Author: alexeyzimarev

README.md

@@ -8,7 +8,9 @@ What RestSharp adds to `HttpClient`:
 - Multiple ways to add a request body, including JSON, XML, and form data
 - Built-in serialization and deserilization of JSON and XML
 
-## RestSharp vNext
+**RestSharp is supported by [AWS](https://aws.amazon.com/developer/language/net/solutions/).**
+
+## RestSharp vNext (v107+)
 
 Finally, RestSharp has moved to `HttpClient`. We also deprecated the following:
 - SimpleJson in favour of `System.Text.Json.JsonSerialzer`
@@ -66,7 +68,7 @@ Find RestSharp on Twitter: [@RestSharp][2]
 
 ### .NET Foundation
 
-This project is supported by the [.NET Foundation](https://dotnetfoundation.org).
+This project is a part of the [.NET Foundation](https://dotnetfoundation.org).
 
 ### Code Contributors
 
@@ -75,26 +77,7 @@ This project exists thanks to all the people who contribute.
 
 ### Financial Contributors
 
-Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/RestSharp/contribute)]
-
-#### Individuals
-
-<a href="https://opencollective.com/RestSharp"><img src="https://opencollective.com/RestSharp/individuals.svg?width=890"></a>
-
-#### Organizations
-
-Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/RestSharp/contribute)]
-
-<a href="https://opencollective.com/RestSharp/organization/0/website"><img src="https://opencollective.com/RestSharp/organization/0/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/1/website"><img src="https://opencollective.com/RestSharp/organization/1/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/2/website"><img src="https://opencollective.com/RestSharp/organization/2/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/3/website"><img src="https://opencollective.com/RestSharp/organization/3/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/4/website"><img src="https://opencollective.com/RestSharp/organization/4/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/5/website"><img src="https://opencollective.com/RestSharp/organization/5/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/6/website"><img src="https://opencollective.com/RestSharp/organization/6/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/7/website"><img src="https://opencollective.com/RestSharp/organization/7/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/8/website"><img src="https://opencollective.com/RestSharp/organization/8/avatar.svg"></a>
-<a href="https://opencollective.com/RestSharp/organization/9/website"><img src="https://opencollective.com/RestSharp/organization/9/avatar.svg"></a>
+Become a financial contributor and help us sustain our community. [Contribute](https://github.com/sponsors/restsharp)
 
 ### License: Apache License 2.0