maybe this is just a thing that would help only me, but nevertheless:
"Quick Places" or "Favorites" would be an enhancement to the FileExplorer in the IDE.
A Picture says more than 1000 words:

Why?
As one might see in the picture above, I do have network shares I'm working on. There are backup folders, project folders, the local Examples folder within the PureBasic directory, a snippets folder, a dropbox folder...