Added m5

README.md

@@ -57,6 +57,7 @@
 - [Playdate](https://git.sr.ht/~rabbits/uxn-playdate) - Complete.
 - [Nook eReader](https://git.badd10de.dev/uxnnst/) - Complete.
 - [Android](https://github.com/bullno1/buxn) - Complete.
+- [m5Stick](https://git.sr.ht/~rabbits/uxn-m5stickc) - Complete.
 - [FPGA](https://github.com/tsalvo/openfpga-varvara) - Nearly Complete.
 - [RPi](https://github.com/ar-nelson/uxnpi) - Nearly Complete.
 - [AgonLight2/eZ80](https://git.phial.org/d6/uxn-agon) - Cli.