Allow non-listed subsections

Author: PProfizi

doc/source/conf.py

@@ -208,6 +208,7 @@ def reset_servers(gallery_conf, fname, when):
                          '../examples/streamlines',
                          '../examples/lsdyna',
                          '../examples/cfx',
+                         '*',
                          ],
     # Pattern to search for example files
     "filename_pattern": r"\.py",