Plasma Stick: add link

micropython/examples/plasma_stick/README.md

@@ -189,3 +189,4 @@ Here are some Plasma Stick community projects and resources that you might find
 - :link: [MQTT Script for Plasma Stick](https://github.com/digitalurban/MQTT-Plasma-Stick-2040W)
 - :link: [Pimoroni Wireless Plasma Kit - Server](https://github.com/brunon/Starlight)
 - :link: [Plasma LEDs](https://github.com/bitcdr/plasma-leds)
+- :link: [Album Art Bottle LEDs](https://github.com/heavyimage/Album-Art-Bottle-LEDs)