It would be really cool if there was a drawing component available. Currently I mostly use deepnotes for thinking and planning, and sometimes I just get the urge to draw, so that I can solve something spacially... for example planning out how I want to nest a particular multilevel planning system to iterate it, before actually creating it. One way this could be done, is adding a check box for ‘drawing’ in the ‘container’ section. So that you can make a container double as a drawing pad.
For me personally, this would make deepnotes an even more powerful tool.