Not sure if this would be possible to do, but it would be nice to not automatically pin certain types of cells when creating them.
Specifically, when first running a newly created cell, if the cell is an expression cell consisting of an
md tagged template, or is an import cell, it should not be pinned.
This is because
md templates are often used for documentation or human-readable instructions, so most of the time, seeing the source just duplicates the rendered text. Additionally, the nice display for import cells makes the actual import statement duplicative unless there is a