Add extension https://github.com/ShrimpCatDev/image-particles #201
Description
GitHub repo: https://github.com/ShrimpCatDev/image-particles
Forum post: https://forum.makecode.com/t/image-particle-extension/33711?u=unsignedarduino
Demo: [INSERT DEMO LINK - NOT REQUIRED]
Description: [INSERT SHORT DESCRIPTION THAT IS SIMILAR TO CURRENT DESCRIPTIONS OF EXTENSIONS - REQUIRED]