* commit '15f8a6a726658bfb195924bd5d7bb86684a22de0': docs: update uses-feature doc with USB features, add TOC at the top and revise some other stuff
* commit '15f8a6a726658bfb195924bd5d7bb86684a22de0': docs: update uses-feature doc with USB features, add TOC at the top and revise some other stuff