Update README.md

README.md

@@ -91,6 +91,7 @@ Million points of noise generated per second (higher = better)
 - [@ForeverZer0](https://github.com/ForeverZer0) for creating the Zig and Go ports.
 - [@Keavon](https://github.com/Keavon) for creating the Rust port.
 - [@jordan4ibanez](https://github.com/jordan4ibanez) for creating the Fortran port.
+- [@gregoryfmartin](https://github.com/gregoryfmartin) for creating the Powershell port.
 
 ## Contributing