It’s being discussed over here (well, basically everyone agrees it’s a good idea).
https://forum.renoise.com/t/some-kind-of-sections-groupings-for-samples/43521
Also, text notes. Instrument usage tips, helps, description, shouts, copy info, I made this, general blah… would be nice to dislay this in the sample or browser window or somewhere?
There’s a tool for that:
http://www.renoise.com/tools/instrumentinfo
Works as a tool within Renoise 3, and supported/integrated into Redux (will be in Renoise 3.1 too, of course)