Update README.md

Author: kateinoigakukun

README.md

@@ -253,3 +253,12 @@ $ swift --version
 Swift version 5.6 (swiftlang-5.6.0)
 Target: arm64-apple-darwin20.6.0
 ```
+
+## Sponsoring
+
+[Become a gold or platinum sponsor](https://github.com/sponsors/swiftwasm/) and contact maintainers to add your logo on our README on Github with a link to your site.
+
+
+<a href="https://www.emergetools.com/">
+  <img src="https://github.com/swiftwasm/swift/assets/11702759/6cb83079-f3e0-4749-b40d-a684fae160ad" width="30%">
+</a>