cherry-embedded/CherryUSB @ v1.6.1

sakumisu eaefb8ed21 docs: update docs and add english version		hai 3 meses
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img	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb2.0_basic.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb3.0_basic.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb_desc.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb_enum.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb_ext.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses
usb_request.rst	eaefb8ed21 docs: update docs and add english version	hai 3 meses