[feature] Add message for first time users to show the result mount p…

…oint

Especially useful when the mount target was not given but automatically
chosen.

ratarmount.py

@@ -660,6 +660,10 @@ def pointsIntoMountPoint(pathToTest):
         statResults = os.lstat(self.mountPoint)
         self.mountPointInfo = {key: getattr(statResults, key) for key in dir(statResults) if key.startswith('st_')}
 
+        if self.printDebug >= 1:
+            print("Created mount point at:", self.mountPoint)
+            print("This folder shows the contents of the selected archive(s).")
+
     def __del__(self) -> None:
         try:
             if self.mountPointWasCreated: