Nemo - Custom Places for "Move to"?

How can I add custom places to the "Copy to" and "Move to" option of the Nemo file manager (see picture below)? I have some special folders reserved for pdf files and I like to use the ease to move files into them via the respective options. How can I add those to the menu?

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Solution

OK. I found the answer myself. Here it is: You can simply drag and drop a folder into the sidebar. This will make it become a "Bookmark" and show-up as a place.

It is as simple as that, but I find poorly documented.