Adds swift-picosystem-example to README (#35)

Author: jerrodputman

README.md

@@ -46,6 +46,7 @@ Note that the SDK integration examples (Pico SDK, Zephyr SDK, etc.) are not reco
 | [PlaydateKit](https://github.com/finnvoor/PlaydateKit) | Playdate | A full featured framework for building Playdate games using Embedded Swift. |
 | [swift-playdate-examples](https://github.com/apple/swift-playdate-examples) | Playdate | An Embedded Swift game running on Playdate by Panic. |
 | [swift-for-wasm-examples](https://github.com/apple/swift-for-wasm-examples) | Web | A "Swift Audio Workstation" example built with Swift for WebAssembly running in the browser using Embedded Swift. |
+| [swift-picosystem-example](https://github.com/jerrodputman/swift-picosystem-example) | PicoSystem | An Embedded Swift demo running on the Pimoroni PicoSystem |
 
 Please note that the presence of community repositories and devices in this list does not constitute a recommendation or endorsement. If there's a project you'd like to see included here, please [submit an issue](https://github.com/apple/swift-embedded-examples/issues/new) with the details.