[PXCT-969] add tiny-ml-kit step file#2530

Hannes7eicher merged 2 commits intomainarduino/docs-content:mainfrom

Hannes7eicher/TinyMachineLearningKit.STEParduino/docs-content:Hannes7eicher/TinyMachineLearningKit.STEPCopy head branch name to clipboard