[desktop-icons-per-workspace@cardsurf] Added limitations (#161)

desktop-icons-per-workspace@cardsurf/README.md

@@ -10,5 +10,13 @@ Wait until desktop icons are refreshed after the extension is started.
 Wait until desktop icons are refreshed after switching between workspaces.  
 If desktop icons are not visible then restart Cinnamon with: <kbd>Ctrl</kbd> + <kbd>Alt</kbd> + <kbd>Esc</kbd>
 
+## Limitations
+The extension does not set positions of the following desktop icons per workspace:
+- Computer
+- Home
+- Mounted devices
+- Network
+- Trash
+
 ## Source code
 Browse the source of the extension in the [original repository](https://github.com/cardsurf/desktop-icons-per-workspace)