Add comment explaining _GlobberTargetPath

Author: Schamper

dissect/target/helpers/compat/path_313.py

@@ -393,4 +393,7 @@ def group(self) -> str:
 
 class _GlobberTargetPath(TargetPath):
     def __str__(self) -> str:
+        # This is necessary because the _Globber class expects an added `/` at the end
+        # However, only PurePath's properly add that, normal Path's don't
+        # We do want to operate on Path objects rather than strings, so do a little hack here
         return self._raw_path